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BACKGROUND: Identifying a weak/strong pelvic floor muscle (PFM) contraction in pregnant women may help prevent and treat dysfunctions during late pregnancy and postpartum. OBJECTIVE: To determine whether the Peritron™ manometer can accurately differentiate a weak from a strong PFM contraction and the respective cut-offs for its variables in pregnant women. METHODS: This is a diagnostic accuracy study. Forty-four women in the third trimester of pregnancy participated (mean±SD age: 29±5 years). The reference test was vaginal palpation, and the index test was vaginal manometry (Peritron™ manometer). Variables assessed by vaginal manometry were rest, maximal voluntary contraction (MVC), MVC average, duration, gradient, area under the curve (AUCm), and contraction speed. The Receiver Operating Curve (AUC/ROC) was used to analyze the data and obtain cut-off points for these variables. RESULTS: Perfect discrimination (AUC=1.00) to differentiate between a weak/strong PFM contraction in pregnant women was observed for peak MCV (cut-off: 40.56 cmH2O). The MVC average showed excellent discriminative ability (AUC=0.96; cut-off: 30.66 cmH2O). The gradient variable (AUC=0.85; cut-off: 27.83 cmH2O/s) and AUCm (AUC=0.86; cut-off: 1315.6 cm²*s) showed a good discriminative ability. CONCLUSION: The best variables to discriminate between weak/strong PFM contraction in pregnant women using vaginal manometry were peak MVC, MVC average, gradient, and AUCm.

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Background and Aim: Measuring intraocular pressure (IOP) is crucial for identifying potentially damaging changes in the eyes, including diseases as glaucoma and uveitis. This study compared intraocular pressure (IOP) measurements in cats using the Tonovet and Tonovet Plus (rebound), Tono-Pen Avia Vet (applanation), and Kowa HA-2 (Goldman's methodology applanation) tonometers. Materials and Methods: 55 healthy cats (108 eyes) were assessed through three distinct studies: An ex vivo experiment (10 eyes of five cats) to correlate IOP manometry and tonometry values and ascertain the correlation coefficient (r2); an in vivo study (10 eyes of five sedated cats) to contrast manometer and tonometer readings; and an outpatient clinical trial (80 eyes of 45 cats) to analyze only tonometer measurements. Results: The r 2 values observed in the ex vivo study were Tonovet (0.923), Tonovet Plus (0.925), Tono-Pen Avia Vet (0.877), and Kowa HA-2 (0.901). The IOP values in mmHg in the in vivo study were as follows: Manometer (16.1 ± 2.7), Tonovet (21.1 ± 3.6), Tonovet Plus (19.7 ± 7.2), Tono-Pen Avia Vet (17.6 ± 7.9), and Kowa HA-2 (16.8 ± 2.0). In the outpatient clinical study, the IOP values in mmHg were as follows: Tonovet (19.7 ± 6.6), Tonovet Plus (17.1 ± 5.4), Tono-Pen Avia Vet (16.3 ± 4.3), and Kowa HA-2 (14.5 ± 2.2). Conclusion: IOP and manometry readings were strongly correlated by all tonometers. In the clinical setting, the most and least IOP measurements were recorded using Tonovet and Kowa HA-2, respectively, stressing the importance of an IOP reference table for each tonometer in feline practice.

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Esophageal achalasia is an uncommon disease in pediatrics. With an insidious clinical presentation, diagnosis is delayed. Here we describe a case of esophageal achalasia in a 16-year-old girl, with the typical delay in consultation and diagnosis. Although pneumatic balloon dilatation has been described as the best therapeutic option for type II achalasia, it was ineffective in our patient and she required Heller extramucosal myotomy with gastroesophageal fundoplication for reflux.

La acalasia esofágica es una patología infrecuente en la edad pediátrica. Su presentación clínica es insidiosa, lo que causa un retraso en el diagnóstico. Se presenta un caso de acalasia esofágica en una niña de 16 años, que tuvo la demora característica en la consulta y el diagnóstico. A pesar de que se describe la dilatación neumática con balón como la mejor opción terapéutica para la acalasia tipo II, en nuestra paciente fue inefectiva y requirió miotomía extramucosa de Heller con funduplicatura gastroesofágica antirreflujo.

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High-resolution esophageal manometry [HRM] has become the gold standard for the evaluation of esophageal motility disorders. It is unclear whether there are HRM differences in diagnostic outcome based on regional or geographic distribution. The diagnostic outcome of HRM in a diverse geographical population of Mexico was compared and determined if there is variability in diagnostic results among referral centers. Consecutive patients referred for HRM during 2016-2020 were included. Four major referral centers in Mexico participated in the study: northeastern, southeastern, and central (Mexico City, two centers). All studies were interpreted by experienced investigators using Chicago Classification 3 and the same technology. A total of 2293 consecutive patients were included. More abnormal studies were found in the center (61.3%) versus south (45.8%) or north (45.2%) P < 0.001. Higher prevalence of achalasia was noted in the south (21.5%) versus center (12.4%) versus north (9.5%) P < 0.001. Hypercontractile disorders were more common in the north (11.0%) versus the south (5.2%) or the center (3.6%) P.001. A higher frequency of weak peristalsis occurred in the center (76.8%) versus the north (74.2%) or the south (69.2%) P < 0.033. Gastroesophageal junction obstruction was diagnosed in (7.2%) in the center versus the (5.3%) in the north and (4.2%) in the south p.141 (ns). This is the first study to address the diagnostic outcome of HRM in diverse geographical regions of Mexico. We identified several significant diagnostic differences across geographical centers. Our study provides the basis for further analysis of the causes contributing to these differences.

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BACKGROUND/AIM: London Protocol (LP) and Classification allied to high-resolution manometry (HRM) technological evolution has updated and enhanced the diagnostic armamentarium in anorectal disorders. This study aims to evaluate LP reproducibility under water-perfused HRM, provide normal data and new parameters based on 3D and healthy comparison studies under perfusional HRM. METHODS: Fifty healthy (25 F) underwent water-perfused 36 channel HRM based on LP at resting, squeeze, cough, push, and rectal sensory. Additional 3D manometric parameters were: pressure-volume (PV) 104mmHg2.cm (resting, short and long squeeze, cough); highest and lowest pressure asymmetry (resting, short squeeze, and cough). Complementary parameters (CP) were: resting (mean pressure, functional anal canal length); short squeeze (mean and maximum absolute squeeze pressure), endurance (fatigue rate, fatigue rate index, capacity to sustain); cough (anorectal gradient pressure); push (rectum-anal gradient pressure, anal canal relaxation percent); recto-anal inhibitory reflex (anal canal relaxation percent). RESULTS: No difference to genders: resting (LP, CP, and 3D); short squeeze (highest pressure asymmetry); endurance (CP); cough (CP, highest and lowest pressure asymmetry); push (gradient pressure); rectal sensory. Higher pressure in men: short squeeze (maximum incremental, absolute, and mean pressure, PV, lowest pressure asymmetry); long squeeze (PV); cough (anal canal and rectum maximum pressure, anal canal PV); push (anal canal and rectum maximum pressure). Anal canal relaxation was higher in women (push). CONCLUSIONS: LP reproducibility is feasible under water-perfused HRM, and comparative studies could bring similarity to dataset expansion. Novel 3D parameters need further studies with healthy and larger data to be validated and for disease comparisons. KEY POINTS: • London Protocol and Classification allied with the technological evolution of HRM (software and probes) has refined the diagnostic armamentarium in anorectal disorders. • Novel 3D and deepening the analysis of manometric parameters before the London Classification as a contributory diagnostic tool. • Comparison of healthy volunteers according to the London Protocol under a perfusional high-resolution system could establish equivalence points.

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Abstract Introduction: For several reasons, a patient may be taken to a colostomy for closure as soon as possible. However, their treatment may vary, and predicting adequate continence after colostomy closure can be difficult. The objective is to characterize preoperative manometry because, in Colombia, few cases describe its usefulness. Methods: A descriptive cross-sectional study of adult patients treated in two gastroenterology centers in Colombia between 2018 and 2020. Results: Of 316 patients, 13 were indicated manometry before colostomy closure, predominantly women (69%), with an average age of 51.69 years (standard deviation: 24.18). When evaluating the basal pressures of the anal sphincter, we noted 68% hypotonia, 16% hypertonia, and 16% normal pressures. The voluntary contraction test was abnormal in 25%, and a pattern of dyssynergic defecation was observed in 30%, all with type III patterns. The inhibitory rectoanal reflex was present in 92%, with an abnormal balloon expulsion test in 100% of patients. More than 70% of patients persisted with the colostomy in situ after the first year of construction and 30% beyond 36 months. Conclusions: The present study posits questions about the cost-effectiveness of anorectal manometry before colostomy closure, which requires corroboration by studies with more patients and more robust methodological designs.

Resumen Introducción: Hay varias razones por las que un paciente puede ser llevado a una colostomía con el objetivo de cerrarla lo antes posible, pero su tratamiento puede variar, y predecir una adecuada continencia posterior al cierre de la colostomía puede ser difícil. Se plantea como objetivo realizar una caracterización de la manometría prequirúrgica debido a que en Colombia hay pocos casos que describan su utilidad. Metodología: Estudio observacional descriptivo de corte transversal en pacientes adultos atendidos en dos centros de gastroenterología en Colombia entre el 2018 y el 2020. Resultados: De 316 pacientes, 13 tenían indicación de manometría previo a cierre de colostomía, predominantemente mujeres (69%), con una edad promedio de 51,69 años (desviación estándar: 24,18). Al evaluar las presiones basales del esfínter anal, se evidenció 68% de hipotonía, 16% de hipertonía y 16% de presiones normales. La prueba de contracción voluntaria fue anormal en el 25%, se observó un patrón de disinergia defecatoria en el 30%, todas con patrón tipo III. El reflejo rectoanal inhibitorio estuvo presente en el 92%, con prueba de expulsión de balón anormal en el 100% de los pacientes. Más del 70% de los pacientes persistían con la colostomía in situ después del primer año de su construcción y 30% más allá de 36 meses. Conclusiones: El presente estudio genera cuestionamientos acerca la costo-efectividad de la manometría anorrectal previa al cierre de colostomía, lo cual requiere ser corroborado por estudios con una mayor cantidad de pacientes y diseños metodológicos más robustos.

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INTRODUCTION: Currently there is little information in Latin America on the clinical outcome and manometric evolution of patients with Achalasia undergoing peroral endoscopic myotomy (POEM). PRIMARY OUTCOME: Evaluate the manometric and clinical changes in adult patients with achalasia after peroral endoscopic myotomy at a referral center in Bogotá, Colombia. METHODS: Observational, analytical, longitudinal study. Adult patients with achalasia according to the Chicago 4.0 criteria were included. Sociodemographic, clinical and manometric variables were described. To compare the pre- and post-surgical variables, the Student's or Wilcoxon's t test was used for the quantitative variables according to their normality, and McNemar's chi-square for the qualitative variables. RESULTS: 29 patients were included, 55.17% (n=16) women, with a mean age at the time of surgery of 48.2 years (±11.33). The mean post-procedure evaluation time was 1.88±0.81 years. After the procedure, there was a significant decrease in the proportion of patients with weight loss (37.93% vs 21.43% p 0.0063), chest pain (48.28% vs 21.43, p 0.0225) and the median Eckardt score (8 (IQR 8 -9) vs 2(IQR 1-2), p <0.0001). In addition, in fourteen patients with post-surgical manometry, significant differences were found between IRP values (23.05±14.83mmHg vs 7.69±6.06mmHg, p 0.026) and in the mean lower esophageal sphincter tone (9.63±7.2mmHg vs 28.8±18.60mmHg, p 0.0238). CONCLUSION: Peroral endoscopic myotomy has a positive impact on the improvement of symptoms and of some manometric variables (IRP and LES tone) in patients with achalasia.

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High-resolution manometry (HRM) is a diagnostic tool for surgeons, gastroenterologists and other healthcare professionals to evaluate esophageal physiology. The Chicago Classification (CC) system is based on a consensus of worldwide experts to minimize ambiguity in HRM data acquisition and diagnosis of esophageal motility disorders. The most updated version, CCv4.0, was published in 2021; however, it does not provide step-by-step guidelines (i.e., for beginners) on how to assess the most important HRM metrics. This paper aims to summarize the basic guidelines for conducting a high-quality HRM study including data acquisition and interpretation, based on CCv4.0, using Manoview ESO analysis software, version 3.3 (Medtronic, Minneapolis, MN).

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Low sphincter pressure and inability of the crural diaphragm to elevate it at the esophagogastric junction are important pathophysiological mechanisms of gastroesophageal reflux disease (GERD). The object of this study was to depict how Nissen fundoplication changed the resting and inspiratory pressures of the anti-reflux barrier. We selected 14 patients (eight males; mean age 42.7 years; mean body mass index 27.8) for surgery. They answered symptoms questionnaires and underwent high-resolution manometry (HRM) before and 6 months after Nissen fundoplication. We used a standard manometric protocol (resting and liquid swallows) and assessment of esophagogastric junction (EGJ) pressure metrics during standardized forced inspiratory maneuvers against increasing loads (Threshold Maneuvers). We used the Wilcoxon test for comparison of pre and postoperative data. After fundoplication, heartburn and regurgitation scores diminished remarkably (from 4.5 and 2, respectively, to zero; P = 0.002 and P = 0.0005, respective medians). Also, the median expiratory EGJ pressure had a significant increase from 8.1 to 18.1 mmHg (P = 0.002), while mean respiratory pressure and EGJ contractility integral (EGJ-CI) increased without statistical significance (P = 0.064 and P = 0.06, respectively). Axial EGJ displacement was lower after fundoplication. The EGJ relaxation pressure (P = 0.001), the mean distal esophageal intrabolus pressure (P = 0.01) and the distal latency (P = 0.017) increased after fundoplication. There was a reduction in the contraction front velocity (P = 0.043). During evaluation with standardized inspiratory maneuvers, the inspiratory EGJ pressures (under loads of 12, 24, 36 and 48 cmH2O) were lower after surgery for all loads (median for load 12 cmH2O: 145.6 vs. 102.7 mmHg; P = 0.004). Fundoplication and hiatal closure increased the expiratory EGJ pressure and promoted a great GERD symptom relief. The surgery seemed to overcompensate a reduced EGJ mobility and inspiratory pressure.

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ABSTRACT Background: The current definition for hypercontractile esophagus was arbitrarily set at the uppermost range in volunteers for a specific equipment. Objective: This study aims to critically analyze the concept of hypercontractile waves to redefine hypercontractile esophagus parameters. Methods: We reviewed 500 unselected and consecutive HRM tests (5000 waves) performed in a water -perfused system. Results: Mean distal contractility integral (DCI) was 825±1492 (0-42775) mmHg.cm.s, two standard deviations above average = 3810; 95th percentile = 2798 mmHg.cm.s. Conclusion: In healthy volunteers, two standard deviations above average is 4000 mmHg.cm.s, we thus suggest this value to define hypercontractile waves and define hypercontractile esophagus in a water-perfused HRM system.

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There is little information on the degree of concordance between the results obtained using the Chicago 3.0 (CCv3.0) and Chicago 4.0 (CCv4.0) protocols to interpret high-resolution manometry (HRM) seeking to determine the value provided by the new swallowing maneuvers included in the last protocol. This is a study of diagnostic tests, evaluating concordance by consistency between the results obtained by the CCv3.0 and CCv4.0 protocols, in patients undergoing HRM. Concordance was assessed with the kappa test. Bland-Altman scatter plots, and Lin's correlation-concordance coefficient (CCC) were used to assess the agreement between IRP measured with swallows in the supine and seated position or with solid swallows. One hundred thirty-two patients were included (65% women, age 53 ± 17 years). The most frequent HRM indication was dysphagia (46.1%). Type I was the most common type of gastroesophageal junction. The most frequent CCv4.0 diagnoses were normal esophageal motility (68.9%), achalasia (15.5%), and ineffective esophageal motility (IEM; 5.3%). The agreement between the results was substantial (Kappa 0.77 ± 0.05), with a total agreement of 87.9%. Diagnostic reclassification occurred in 12.1%, from IEM in CCv3.0 to normal esophageal motility in CCv4.0. Similarly, there was a high level of agreement between the IRP measured in the supine compared to the seated position (CCC0.92) and with solid swallows (CCC0.96). In conclusion, the CCv4.0 protocol presents a high concordance compared to CCv3.0. In the majority of manometric diagnoses there is no reclassification of patients with provocation tests. However, the more restrictive criteria of CCv4.0 achieve a better reclassification of patients with IEM.

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BACKGROUND: Vaginal manometry is regarded as an objective method to assess pelvic floor muscles (PFM) function and can measure several variables during contraction. OBJECTIVE: To determine which variables could differentiate women with/without a weak/strong PFM contraction and determine their cut-off points. METHODS: This is a diagnostic accuracy study performed on 156 women with a mean age of 40.4 (SD, 15.9) years. The reference test was vaginal palpation and the index test was vaginal manometry (Peritron™ manometer). Variables were pressure at rest, pressure achieved with maximal voluntary contraction (MVC), MVC average, duration, gradient, and area under the curve (AUCm). The Receiver Operating Curve (AUC/ROC) and logistic regression were used to analyze the data and obtain cut-off points. RESULTS: Excellent ability to discriminate women with a weak/strong PFM contraction was found for MVC average (cut-off: 28.93 cmH2O), MVC (cut-off: 38.61 cmH2O), and the AUCm (cut-off: 1011.93 cm²*s). The gradient variable had good discrimination ability (AUC/ROC=0.81; cut-off: 28.68 cmH2O/s). The MVC average assessed by manometry, menopausal status, and the presence of stress urinary incontinence (SUI) were associated with a weak/strong PFM contraction in the multivariate analysis; however, the most parsimonious model to discriminate weak/strong PFM contraction included only the MVC average (AUC/ROC = 0.95; sensitivity: 0.87; specificity: 0.91). CONCLUSION: These results suggest which manometry variables are appropriate to assess and classify PFM function in females. These could be used to help physical therapists to make clinic decisions about the management of female PFM.

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Fecal incontinence is the involuntary passage or the incapacity to control the release of fecal matter through the anus. It is a condition that significantly impairs quality of life in those that suffer from it, given that it affects body image, self-esteem, and interferes with everyday activities, in turn, favoring social isolation. There are no guidelines or consensus in Mexico on the topic, and so the Asociación Mexicana de Gastroenterología brought together a multidisciplinary group (gastroenterologists, neurogastroenterologists, and surgeons) to carry out the «Mexican consensus on fecal incontinence¼ and establish useful recommendations for the medical community. The present document presents the formulated recommendations in 35 statements. Fecal incontinence is known to be a frequent entity whose incidence increases as individuals age, but one that is under-recognized. The pathophysiology of incontinence is complex and multifactorial, and in most cases, there is more than one associated risk factor. Even though there is no diagnostic gold standard, the combination of tests that evaluate structure (endoanal ultrasound) and function (anorectal manometry) should be recommended in all cases. Treatment should also be multidisciplinary and general measures and drugs (lidamidine, loperamide) are recommended, as well as non-pharmacologic interventions, such as biofeedback therapy, in selected cases. Likewise, surgical treatment should be offered to selected patients and performed by experts.

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High-resolution manometry (HRM) is a motility diagnostic system that measures intraluminal pressure of the gastrointestinal tract using a series of closely spaced pressure sensors. The topographic plot generated by HRM software makes it possible to visualize phonation pressures at the pharynx, UES, and body of the esophagus in real time, indicating pressure intensity by color, which permits easy data interpretation. It has been largely used for swallowing study and dysphagia diagnosis. Due to the proximity of the pharyngoesophageal and laryngeal structures, this technology instigated voice researchers. Despite the few studies published so far, high-resolution manometry has yet proven to be an extremely useful tool in obtaining entire pharyngoesophageal segment pressure measurements during phonation. It also allows natural voice production not interfering with the mouth area. HRM data already brought light to subglottic pressure, vertical laryngeal excursion, cricopharyngeal muscle activation, air flow, muscle tension associated with vocalization and pressure variations associated with different phonatory stimuli.

La manometría de alta resolución (HRM, por sus siglas en inglés) es un sistema de diagnóstico de motilidad que mide la presión intraluminal del tracto gastrointestinal mediante una serie de sensores de presión dispuestos de manera cercana. El gráfico topográfico generado por el software de HRM permite visualizar las presiones de fonación en la faringe, el EEI y el cuerpo del esófago en tiempo real, indicando la intensidad de la presión mediante colores que facilitan la interpretación de los datos. Ha sido ampliamente utilizado para el estudio de la deglución y el diagnóstico de la disfagia. Debido a la proximidad de las estructuras faringoesofágicas y laríngeas, esta tecnología ha despertado el interés de los investigadores en voz. A pesar de los pocos estudios publicados hasta ahora, la manometría de alta resolución ha demostrado ser una herramienta extremadamente útil para obtener mediciones de presión de todo el segmento faringoesofágico durante la fonación. Además, permite la producción natural de la voz sin interferir en el área de la boca. Los datos de HRM ya han arrojado luz sobre la presión subglótica, la excursión laríngea vertical, la activación del músculo cricofaríngeo, el flujo de aire, la tensión muscular asociada con la vocalización y las variaciones de presión asociadas con diferentes estímulos fonatorios.

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Introduction: There is no clarity about manometric findings in patients with proctalgia fugax; evidence shows different results. This study aims to evaluate dyssynergic defecation through anorectal manometry in Colombian patients in two gastroenterology centers in Bogotá, Colombia. Materials and methods: A cross-sectional descriptive observational study in adult patients with proctalgia fugax undergoing anorectal manometry and treated in two gastroenterology centers in Bogotá between 2018 and 2020. Results: 316 patients were included, predominantly women (65%), with a median age of 45.2 (range: 18-78; standard deviation [SD]: 28.3). Four percent of patients had hypertonicity, 50% were normotonic, and 46% were hypotonic. Regarding manometric parameters, 50% had normal pressure, and 46% had anal sphincter hypotonia; 76% had a normal voluntary contraction test. Dyssynergic defecation was documented in 5% of patients, and the most frequent was type I, followed by type III. A rectoanal inhibitory reflex was identified in all patients, 42% with altered sensory threshold and 70% with abnormal balloon expulsion. There was an agreement between the results of the anorectal manometry and the subjective report of the digital rectal exam by the head nurse who performed the procedure. Conclusions: The data obtained in the present study suggest that proctalgia is not related to the elevated and sustained basal contracture of the sphincter but neither to the alteration in voluntary contraction since most patients have typical values.

Introducción: Actualmente, no hay claridad acerca de los hallazgos manométricos en pacientes con proctalgia fugaz, y la evidencia muestra diferentes resultados. Se plantea como objetivo en el presente estudio evaluar la presencia de disinergia defecatoria con manometría anorrectal en pacientes colombianos en dos centros de gastroenterología en Bogotá, Colombia. Metodología: Estudio observacional descriptivo de corte transversal en pacientes adultos sometidos a manometría anorrectal con proctalgia fugaz y atendidos en dos centros de gastroenterología de la ciudad de Bogotá entre el 2018 y el 2020. Resultados: Se incluyó a 316 pacientes, predominantemente mujeres (65%), con mediana de edad 45,2 (rango: 18-78; desviación estándar [DE]: 28,3). El 4% de los pacientes presentaban hipertonicidad, el 50% eran normotónicos y el 46%, hipotónicos. En cuanto a parámetros manométricos, el 50% tenía presión normal y el 46%, hipotonía de esfínter anal. El 76% tuvo una prueba de contracción voluntaria normal. En 5% pacientes se documentó disinergia defecatoria, y la más frecuente fue el tipo I, seguido del tipo III. En todos los pacientes se identificó reflejo recto anal inhibitorio, 42% con alteración en umbral sensitivo y 70% con expulsión de balón anormal, y hubo concordancia entre los resultados de la manometría anorrectal y el reporte subjetivo del tacto rectal de la jefe de enfermería que realizó el procedimiento. Conclusiones: Los datos obtenidos en el presente estudio sugieren que la proctalgia no está relacionada con la contractura basal elevada y sostenida del esfínter, pero tampoco con la alteración en la contracción voluntaria, ya que la mayoría de los pacientes presentan valores normales.

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Introducción: La manometría esofágica es la prueba de referencia para el diagnóstico de los trastornos motores esofágicos; diagnostica elementos conocidos en la fisiopatología de la enfermedad por reflujo gastroesofágico, como la hipotonía del esfínter esofágico inferior y sus relajaciones transitorias. La manometría se utiliza para evaluar la función peristáltica en pacientes considerados para cirugía antirreflujo, particularmente si el diagnóstico es incierto. No debe emplearse para hacer o confirmar el diagnóstico de enfermedad por reflujo gastroesofágico. Objetivo: Profundizar en los conocimientos relacionados con el patrón de motilidad de la enfermedad por reflujo gastroesofágico en la manometría de alta resolución. Desarrollo: La manometría esofágica de alta resolución permite caracterizar la actividad contráctil del esófago. Registra de manera simultánea la actividad de los esfínteres esofágicos superior e inferior; también la motilidad del cuerpo esofágico. Sus indicaciones, aunque precisas, resultan de interés en determinados pacientes con enfermedad por reflujo gastroesofágico, sobre todo en quienes se sospecha un trastorno de la motilidad. El patrón manométrico más aceptado para la enfermedad por reflujo gastroesofágico describe un fallo de los siguientes factores: la presión del esfínter esofágico inferior, longitud, inestabilidad, la presencia de hernia hiatal y los trastornos de la peristalsis esofágica. Conclusiones: La manometría de alta resolución permite caracterizar el patrón de motilidad de la enfermedad por reflujo gastroesofágico. Los elementos primarios del reflujo son la hipotonía del esfínter esofágico inferior, sus relajaciones transitorias y la distorsión anatómica de la unión esofagogástrica(AU)

Introduction: Esophageal manometry is the reference test for the diagnosis of esophageal motor disorders; diagnoses known elements in the pathophysiology of gastroesophageal reflux disease, such as hypotony of the lower esophageal sphincter and its transient relaxations. Manometry is used to evaluate peristaltic function in patients considered for anti-reflux surgery, particularly if the diagnosis is uncertain. It should not be used to make or confirm the diagnosis of gastroesophageal reflux disease. Objective: To deepen the knowledge related to the motility pattern of gastroesophageal reflux disease in high-resolution manometry. Development: High-resolution esophageal manometry allows characterizing the contractile activity of the esophagus. Simultaneously records the activity of the upper and lower esophageal sphincters; also, the motility of the esophageal body. Its indications, although precise, are of interest in certain patients with gastroesophageal reflux disease, especially in those who suspect a motility disorder. The most accepted manometric pattern for gastroesophageal reflux disease describes a failure of the following factors: lower esophageal sphincter pressure, length, instability, the presence of hiatal hernia, and disorders of esophageal peristalsis. Conclusions: High-resolution manometry allows us to characterize the motility pattern of gastroesophageal reflux disease. The primary elements of reflux are hypotonia of the lower esophageal sphincter, its transient relaxations, and anatomical distortion of the esophagogastric junction(AU)

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Introducción: Las manifestaciones gastrointestinales y en especial la disfunción esofágica son frecuentes en pacientes con diagnóstico de esclerosis sistémica. Objetivos: Determinar los hallazgos manométricos en el esófago de pacientes con esclerosis sistémica. Métodos: Se realizó un estudio descriptivo de corte transversal, en 86 pacientes con diagnóstico de esclerosis sistémica que fueron atendidos en el Servicio de Reumatología del Hospital Hermanos Ameijeiras, en el período comprendido de enero de 2020 a diciembre de 2021. Resultados: La edad media fue de 49,5 ± 15,3 años, (94,3 por ciento) en el sexo femenino. El (90,7 por ciento) tenía trastornos de la motilidad esofágica, principalmente los trastornos mayores (58,1por ciento) y el esfínter esofágico corto (62,8 por ciento). La presencia de síntomas como la regurgitación, la pirosis y la disfagia se relacionaron de forma significativa en la mayoría de los parámetros manométricos. De igual forma, el tiempo de evolución de la enfermedad (10,1 ± 9,1 frente a 5,9 ± 5,9 años), el fenómeno de Raynaud (93,9 por ciento frente a 25,0 por ciento) y la esclerosis sistémica difusa (96,2 por ciento frente a 82,4 por ciento) fueron significativamente mayores en pacientes con trastornos de la motilidad esofágica. La edad y el sexo no mostraron una asociación significativa con las alteraciones manométricas. Conclusiones: Se concluye que los pacientes con esclerosis sistémica difusa, fenómeno de Raynaud, a partir de la presencia de los síntomas y de la evolución de la enfermedad tienen una elevada probabilidad de padecer trastornos de la motilidad esofágica(AU)

Introduction: Gastrointestinal manifestations, and especially esophageal dysfunction, are common in patients diagnosed with systemic sclerosis. Objectives: To determine the manometric findings in the esophagus of patients with systemic sclerosis. Methods: A descriptive cross-sectional study was carried out on 86 patients with a diagnosis of systemic sclerosis who were treated in the Rheumatology Service of Hermanos Ameijeiras Hospital from January 2020 to December 2021. Results: The mean age was 49.5 ± 15.3 years, (94.3percent) in females. 90.7percent had esophageal motility disorders, mainly major disorders (58.1percent) and 62.8percent had short esophageal sphincter. The presence of symptoms such as regurgitation, heartburn and dysphagia were significantly related to most manometric parameters. Similarly, the duration of the disease (10.1 ± 9.1 versus 5.9 ± 5.9 years), Raynaud's phenomenon (93.9percent versus 25.0percent) and sclerosis diffuse systemic (96.2percent vs. 82.4percent) were significantly higher in patients with esophageal motility disorders. Age and sex did not show significant association with manometric alterations. Conclusions: It is concluded that patients with diffuse systemic sclerosis, Raynaud's phenomenon, based on the presence of symptoms, and the evolution of the disease, have high probability of suffering from esophageal motility disorders(AU)

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Sleeve gastrectomy (SG) is the most common bariatric surgery worldwide and has shown to cause de novo or worsen symptoms of gastroesophageal reflux disease (GERD). Esophageal motility and physiology studies are mandatory in bariatric and foregut centers. The predisposing factors in post-SG patients are disruption of His angle, resection of gastric fold and gastric fundus, increased gastric pressure, resection of the gastric antrum, cutting of the sling fibers and pyloric spasm. There are symptomatic complications due to sleeve morphology as torsion, incisura angularis stenosis, kinking and dilated fundus. In this article, we present recommendations, surgical technique and patient selection flow diagram for SG and avoid de novo or worsening GERD.

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OBJECTIVE: Sphincter of Oddi dysfunction (SOD) has been used to describe patients with RUQ abdominal pain without an etiology. We conducted a systematic review and meta-analysis to evaluate the efficacy and safety of ES (endoscopic sphincterotomy) for SOD. METHODS: The study methodology follows the PRISMA guidelines. A comprehensive search was conducted using MEDLINE and EMBASE databases for RCTs with ES in patients with SOD. The primary outcome assessed was the improvement of abdominal pain after ES/sham. A random effects model was used to calculate pooled estimates for each outcome of interest. RESULTS: Of the initial 55 studies, 23 were screened and thoroughly reviewed. The final analysis included 3 studies. 340 patients (89.7% women) with SOD were included. All patients had a cholecystectomy. Most included patients had SOD type II and III. The pooled rate of technical success of ERCP was 100%. The average clinical success rate was 50%. The pooled cumulative rate of overall AEs related to all ERCP procedures was 14.6%. In the sensitivity analysis, only one study significantly affected the outcome or the heterogeneity. CONCLUSION: ES appears no better than placebo in patients with SOD type III. Sphincterotomy could be considered in patients with SOD type II and elevated SO basal pressure.

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Introducción. La acalasia es un trastorno motor del esófago caracterizado por la ausencia de peristalsis y la alteración en la relajación del esfínter esofágico inferior. La cardiomiotomía laparoscópica de Heller más funduplicatura parcial es el tratamiento estándar. La mejoría sintomática ha sido bien documentada, pero no hay suficiente información objetiva respecto a los cambios fisiológicos y radiográficos luego del procedimiento. Métodos. Estudio de cohorte bidireccional de pacientes llevados a cardiomiotomía laparoscópica de Heller, entre los años 2018 y 2021, en el Hospital Universitario San Vicente Fundación de Medellín, Colombia. Se describen variables demográficas y clínicas. Se realizaron puntaje sintomático de Eckardt, manometría esofágica y radiografía de esófago en el pre y postoperatorio. Se hizo comparación de síntomas, presión basal del esfínter esofágico inferior, presión de relajación integrada y diámetro del esófago antes y después de la intervención. Resultados. Se incluyeron 24 pacientes. El 63 % fueron mujeres y la edad promedio fue de 44 años. Los valores promedio preoperatorios vs postoperatorios fueron: puntaje de Eckardt 10,6 vs 1,4 puntos (p<0,001), presión basal de 41,4 vs 18,1 mmHg (p=0,004) y presión de relajación integrada de 28,6 vs 12,5 mmHg (p=0,001). El diámetro del esófago no presentó cambios. No hubo correlación de síntomas con los cambios de presión del esfínter esofágico inferior. El tiempo de seguimiento fue de 20 meses. Conclusiones. La cardiomiotomía de Heller es un procedimiento altamente efectivo para el tratamiento definitivo de la acalasia, logrando una mejoría subjetiva y objetiva basada en síntomas y en parámetros de manometría, respectivamente

Introduction. Achalasia is a motor disorder of the esophagus characterized by the absence of peristalsis and impaired relaxation of the lower esophageal sphincter. Laparoscopic Heller ́s cardiomyotomy plus partial fundoplication is the standard treatment. Symptomatic improvement has been well documented, but there is insufficient objective information regarding physiologic and radiographic changes after the procedure. Methods. Bidirectional cohort study of patients underwent laparoscopic Heller ́s cardiomyotomy between 2018 and 2021 at the San Vicente Fundación University Hospital in Medellín, Colombia. Demographic and clinical variables are described. Eckardt symptom score, esophageal manometry, and esophageal radiography were performed pre and postoperatively. A comparison of symptoms, baseline lower esophageal sphincter pressure, integrated relaxation pressure, and esophageal diameter before and after intervention were performed.Results. 24 patients were included. 63% were women and the average age was 44 years. The preoperative vs. postoperative mean values were: Eckardt score 10.6 vs. 1.4 points (p<0.001), basal pressure of 41.4 vs. 18.1 mmHg (p=0.004) and integrated relaxation pressure of 28.6 vs. 12.5 mmHg (p=0.001). The diameter of the esophagus did not present changes. There was no correlation of symptoms with lower esophageal sphincter pressure changes. The follow-up time was 20 months. Conclusions. Heller cardiomyotomy is a highly effective procedure for the definitive treatment of achalasia, achieving subjective and objective improvements, based on symptoms and manometry parameters, respectively

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