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OBJECTIVES: To systematically evaluate the efficacy and superiority of Flunarizine Hydrochloride when combined with Traditional Chinese Medicine (TCM) Decoctions in treating migraine headaches. METHOD: The authors conducted a comprehensive search for clinical Randomized Controlled Trials (RCTs) investigating the combination of Flunarizine Hydrochloride with Chinese herbal decoctions in treating migraines. The databases searched included CNKI, VIP, Wanfang, PubMed, WOI, Cochrane Library, and Embase, covering the period from January 1, 2019, to November 10, 2023. Two independent researchers meticulously screened, extracted, and assessed the relevant data, employing the Revman 5.3 software for meta-analysis. RESULTS: The meta-analysis revealed that, in comparison to Flunarizine Hydrochloride used in isolation, the combination with Chinese herbal decoctions markedly enhanced the effective rate (RR = 1.26, 95 % CI [1.18, 1.34], p < 0.0001). Moreover, significant improvements were observed in the TCM symptom score (MD = 4.97, 95 % CI [-6.74, -3.19], p < 0.00001). The observation group demonstrated a statistically significant improvement in endothelin levels compared to the control group (I2 = 85 %, MD = -13.66, 95 % CI [-17.87, -9.45], p = 0.0001). The observation group showed a significant reduction in NRS scores compared to the control group, indicating better outcomes (I2 = 95 %, MD = -2.11, 95 % CI [-3.09, -1.12], p < 0.0001). The observation group was superior to the control group in terms of the reduction in the number of episodes (I2 = 63 %, MD = -1.16, 95 % CI [-1.45, -0.87], p = 0.007). CONCLUSIONS: The confluence of Flunarizine Hydrochloride with traditional Chinese medicine decoctions in treating migraine patients demonstrated substantial clinical efficacy and improvement in TCM symptom score over the use of Flunarizine Hydrochloride alone.

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Abstract Objectives: To systematically evaluate the efficacy and superiority of Flunarizine Hydrochloride when combined with Traditional Chinese Medicine (TCM) Decoctions in treating migraine headaches. Method: The authors conducted a comprehensive search for clinical Randomized Controlled Trials (RCTs) investigating the combination of Flunarizine Hydrochloride with Chinese herbal decoctions in treating migraines. The databases searched included CNKI, VIP, Wanfang, PubMed, WOI, Cochrane Library, and Embase, covering the period from January 1, 2019, to November 10, 2023. Two independent researchers meticulously screened, extracted, and assessed the relevant data, employing the Revman 5.3 software for meta-analysis. Results: The meta-analysis revealed that, in comparison to Flunarizine Hydrochloride used in isolation, the combination with Chinese herbal decoctions markedly enhanced the effective rate (RR = 1.26, 95 % CI [1.18, 1.34], p < 0.0001). Moreover, significant improvements were observed in the TCM symptom score (MD = 4.97, 95 % CI [-6.74, -3.19], p < 0.00001). The observation group demonstrated a statistically significant improvement in endothelin levels compared to the control group (I2 = 85 %, MD = -13.66, 95 % CI [-17.87, -9.45], p = 0.0001). The observation group showed a significant reduction in NRS scores compared to the control group, indicating better outcomes (I2 = 95 %, MD = -2.11, 95 % CI [-3.09, -1.12], p < 0.0001). The observation group was superior to the control group in terms of the reduction in the number of episodes (I2 = 63 %, MD = -1.16, 95 % CI [-1.45, -0.87], p = 0.007). Conclusions: The confluence of Flunarizine Hydrochloride with traditional Chinese medicine decoctions in treating migraine patients demonstrated substantial clinical efficacy and improvement in TCM symptom score over the use of Flunarizine Hydrochloride alone.

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Abstract Introduction Allergic rhinitis (AR) is estimated to affect up to 30% of the world population. With the rise in cases, newer treatment modalities have been explored. Probiotics have shown to reduce symptoms of AR and improve quality of life. A few systematic reviews have been published aiming to assess the role of probiotics in AR. Objectives To consolidate the recent evidence with an overview of systematic reviews by extracting data regarding subjective outcomes (from quality of life questionnaires, the Total Nasal Symptom Score, the Total Ocular Symptom Score, the Daily Total Symptom Score, the incidence of AR, and the Rhinitis Total Symptom Score) and objective outcomes (levels of antigen-specific immunoglobulin E [IgE], total IgE, interleukin 10 [IL-10], interferon gamma [IFNG], eosinophil, and the T helper 1/T helper 2 [Th1/Th2] ratio). Data Synthesis We conducted a literature search on the PubMed, EBSCO CINAHL, EBSCO Dentistry & Oral Sciences Source, and Cochrane Library up to April 14, 2020. The qualitative assessment was performed using the Assessing the Methodological Quality of Systematic Reviews (AMSTAR-2) tool. A total of 419 titles were screened, and 3 systematic reviews met our eligibility criteria. Probiotics in the treatment of AR have been shown to improve quality of life, the total nasal and ocular symptom scores, the daily total symptom scores and Th1/Th2 ratio. No difference was ascertained for rhinitis total symptom score, and the rates of antigen-specific IgE, total IgE, IL-10, INFG and eosinophil. Conclusion The present review showed that there is considerable evidence that probiotics are useful in the treatment of AR. Further randomized trials targeting the limitations of the currently-available evidence can help ascertain the usefulness of probiotics in cases of AR.

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Introduction Allergic rhinitis (AR) is estimated to affect up to 30% of the world population. With the rise in cases, newer treatment modalities have been explored. Probiotics have shown to reduce symptoms of AR and improve quality of life. A few systematic reviews have been published aiming to assess the role of probiotics in AR. Objectives To consolidate the recent evidence with an overview of systematic reviews by extracting data regarding subjective outcomes (from quality of life questionnaires, the Total Nasal Symptom Score, the Total Ocular Symptom Score, the Daily Total Symptom Score, the incidence of AR, and the Rhinitis Total Symptom Score) and objective outcomes (levels of antigen-specific immunoglobulin E [IgE], total IgE, interleukin 10 [IL-10], interferon gamma [IFNG], eosinophil, and the T helper 1/T helper 2 [Th1/Th2] ratio). Data Synthesis We conducted a literature search on the PubMed, EBSCO CINAHL, EBSCO Dentistry & Oral Sciences Source, and Cochrane Library up to April 14, 2020. The qualitative assessment was performed using the Assessing the Methodological Quality of Systematic Reviews (AMSTAR-2) tool. A total of 419 titles were screened, and 3 systematic reviews met our eligibility criteria. Probiotics in the treatment of AR have been shown to improve quality of life, the total nasal and ocular symptom scores, the daily total symptom scores and Th1/Th2 ratio. No difference was ascertained for rhinitis total symptom score, and the rates of antigen-specific IgE, total IgE, IL-10, INFG and eosinophil. Conclusion The present review showed that there is considerable evidence that probiotics are useful in the treatment of AR. Further randomized trials targeting the limitations of the currently-available evidence can help ascertain the usefulness of probiotics in cases of AR.

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BACKGROUND: Eckardt symptom score (ESS) is the most used tool for the evaluation of esophageal symptoms. Recent data suggest that it might have suboptimal reliability and validity. The aims of this study were as follows: (a) Develop and validate an international Spanish ESS version. (b) Perform psychometric ESS evaluation in patients with achalasia and non-achalasia patients. METHODS: Eckardt symptom score translation was performed by Delphi process. ESS psychometric evaluation was done in two different samples of patients referred for manometry. First sample: 430 dysphagia non-achalasia patients. Second sample: 161 achalasia patients. Internal consistency was evaluated using Cronbach's α and Guttman coefficient (<0.5 = unacceptable. 0.5-0.7 = fair. >0.7 = acceptable). KEY RESULTS: Our data show that in patients without and with achalasia, ESS behaves similarly. Both show a fair reliability with Cronbach's α of 0.57 and 0.65, respectively. Based on our results, we recommend interpretation of the Spanish ESS be done with caution. The psychometric quality of the ESS could not be improved by removal of any items based on the single-factor structure of the scale and no items meeting criteria for elimination. CONCLUSIONS AND INFERENCES: Eckardt symptom score Spanish translation was developed. ESS showed a fair reliability for the evaluation of patients with any causes of dysphagia. Our results highlight the need for development and psychometric validation of new dysphagia scoring tools.

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AIM: The aim of this study is to compare the improvements in irritative versus obstructive symptoms of the International Prostate Symptom Score (IPSS) after prostatic artery embolization (PAE) in patients with benign prostatic hyperplasia (BPH). MATERIALS AND METHODS: Between 2010 and 2018, 186 patients underwent PAE in a single center and 174 patients were retrospectively selected. The inclusion criteria were symptoms due to BPH, refractory to pharmacological treatment and IPSS ≥ 8. The mean age of the patients was 63.7 ± 7.2 years, the mean prostate volume 89.5 ± 42.5 cm3, and the mean IPSS 19.0 ± 6.2 points. Patient data were reviewed at baseline, 3, 12 and 24 months and compared using the ANOVA mixed models and the Tukey's multiple comparison test. RESULTS: Obstructive subscores dropped more significantly than irritative subscores (p < 0.0001). The mean decrease in each IPSS item was frequency 2.4 (83%); urgency 0.8 (87%); nocturia 1.3 (49%); incomplete emptying 2.6 (83%); intermittency 2.3 (91%); weak stream 2.9 (82%); straining 1.6 (91%). The area under the curve for baseline obstructive scores was 0.7 (p = 0.006) and 0.59 (p = 0.182) for irritative scores. The most common BPH clinical manifestations include irritative and/or obstructive symptoms, the latter usually more prevalent. The IPSS drop observed after PAE suggests that it acts predominantly over obstructive symptoms (p < 0.0001). CONCLUSION: Although a predominant improvement in obstructive symptoms may be observed after PAE, nocturia complaints may require special attention. The severity of baseline obstructive symptoms may significantly predict clinical outcomes.

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INTRODUCTION: A presumed association between more severe lower urinary tract symptoms (LUTS) and more severe functional constipation (FC) remains unconfirmed. Because the Rome IV criteria do not quantify FC, an adult constipation scoring system was modified and adapted for use in children. OBJECTIVES: The objective of this study was to assess the correlation between FC severity as determined by the modified constipation scoring system and LUTS severity in children/adolescents and the correlation between this modified scoring system and the Rome IV criteria. STUDY DESIGN: This was a cross-sectional study including 5- to 17-year-old patients with LUTS, with or without FC. Patients with neurological and/or anatomical abnormalities of the genitourinary and/or gastrointestinal tract were excluded. Girls with Dysfunctional Voiding Symptom Score (DVSS) ≥6 and boys with DVSS ≥9 were diagnosed with lower urinary tract dysfunction (LUTD). Patients with at least two positive Rome IV criteria were considered constipated. The severity of FC according to the adapted constipation scoring system was classified as mild for scores of 1-10, moderate for scores 11-20, and severe for scores 21-30. RESULTS: Of 128 patients with LUTS, 71 (55.5%) were female. Lower urinary tract dysfunction was detected in 107 patients (83.6%) and was more common in girls. Functional constipation was present in 80 patients (62.5%). Constipated children had higher constipation scores and DVSS, with both scores increasing with the severity of FC. Correlation was moderate between the constipation score and the DVSS (þ = 0.5, p < 0.001) and was strong between positivity for a greater number of Rome IV criteria and the constipation score (þ = 0.7, p < 0.001). Most of the constipated patients had mild or moderate FC, while in 30 non-constipated patients, the constipation score indicated mild FC. DISCUSSION: Patients from a specialist center are more likely to have more severe medical problems, and this may have influenced the correlation between the scores. The modifications made to the constipation scoring system require a future validation study. Nevertheless, this study provides new data on urinary dysfunction and its association with FC and highlights the need to investigate occult bowel symptoms that could affect the treatment of urinary dysfunction. CONCLUSION: The intensity of FC as measured by the modified constipation scoring system correlated with the severity of the urinary symptoms in children/adolescents with LUTS/LUTD. In constipated patients, there was a correlation between the modified constipation scoring system and the Rome IV criteria. In non-constipated patients, the constipation scoring system identified symptoms/signs of bowel dysfunction not picked up by the Rome IV criteria. Finally, constipation score modified for use in children and adolescents could be important for research purpose and particularly having a prognostic importance.

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OBJETIVO: Determinar la calidad de vida asociada con la técnica quirúrgica en pacientes posoperados de plastia uretral. MÉTODO: Se estudiaron 29 pacientes intervenidos entre enero de 2011 y diciembre de 2015. Se aplicaron los cuestionarios Euroqol 5-D e International Prostate Symptom Score para medir calidad de vida y detectar recaídas, respectivamente. Se realizó estadística descriptiva, y se calcularon la incidencia acumulada, el riesgo relativo y la fracción atribuible. RESULTADOS: La incidencia de recaídas detectada por el International Prostate Symptom Score fue del 69% (p = 0.011); el riesgo relativo fue de 2.19 (intervalo de confianza del 95%: 2.092-2.288). La fracción atribuible a la exposición fue del 54%. La calidad de vida se asoció con la longitud de la lesión (p = 0.046), los síntomas urinarios bajos (p = 0.004) y la percepción individual del estado de salud (p = 0.003). La localización de la lesión se asoció con recaída (p = 0.008). La calidad de vida no se asoció con el tipo de plastia (p > 0.05). CONCLUSIONES: La incidencia de recurrencia posquirúrgica es alta. La calidad de vida es independiente de la técnica quirúrgica, pero está asociada con la longitud de la lesión y con los síntomas urinarios. OBJECTIVE: To determine the quality of life associated with the surgical technique in postoperative patients with urethral plasty. METHODS: 29 patients operated between January-2011 and December-2015 were studied. The questionnaires Euroqol 5-D and International Prostate Symptom Score were applied to measure quality of life and detect relapses, respectively. Descriptive statistics was performed, cumulative incidence, relative risk and attributable fraction were calculated. RESULTS: the incidence of relapse detected by the International Prostate Symptom Score was 69% (p = 0.011); the relative risk was 2.19 (95% confidence interval: 2.092-2.288). The fraction attributable to the exposure was 54%. The quality of life was associated with the length of the lesion (p = 0.046), low urinary symptoms (p = 0.004) and the individual perception of the state of health (p = 0.003). The location of the lesion was associated with relapse (p = 0.008). Quality of life was not associated with type of plasty (p > 0.05). CONCLUSIONS: The incidence of postoperative recurrence is high. The quality of life is independent of the surgical technique, but it is associated with the length of the lesion and urinary symptoms.

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AIMS: To investigate the associated factors with the vibration threshold perception (VPT) in patients with type 2 diabetes and to assess whether it is useful for detection of diabetic peripheral neuropathy (DPN). METHODS: VPTs were measured with Vibration Sensory Analyzer (VSA-3000) in 426 diabetic patients. The diagnosis of DPN was based on Neuropathy Symptom Score and Neuropathy Disability Score (NDS). ROC curve analysis and multiple linear and logistic regressions were performed to investigate the associations between VPT and DPN. RESULTS: Values of VPT were progressively higher according to NDS stages. Age, height, diabetes duration, and mean cumulative HbA1c exposure (partial correlation coefficients: 0.34; 0.27; 0.10; and 0.13; respectively) were the variables independently associated with VPT. Area under ROC curve of VPT for detection of DPN was 0.71 (95% CI: 0.66-0.75) and >8.9 µm was its best cut-off value. VPT, age, female sex, height, diabetes duration and mean HbA1c levels were the independent correlates of the presence of DPN. An increased VPT triplicate the likelihood of having DPN (OR: 3.24; 95% CI: 2.05-5.11). CONCLUSIONS: VPT, measured by an automatic device, shares common correlates with DPN and is strongly associated with its presence. VPT testing may be useful as a screening tool for DPN assessment.

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ABSTRACT Objective The objective of our study is to evaluate the clinical outcomes and safety of radiofrequency thermal ablation (RFA) for benign thyroid nodules (BTNs) over a 1-year follow-up. Subjects and methods This is a monocentric retrospective study. Forty-eight patients with solid, non-functioning BTNs were treated by RFA using a 17G internally cooled electrode. We categorized thyroid nodules as small (≤ 12 mL), medium (12 to 30 mL), or large (over 30 mL). BTNs volume reduction, thyroid function, cosmetic and compressive score changes and side effect evaluation at 6 and 12 months were evaluated. Results BTN volume decreased significantly from baseline to 6 (mean percentage decrease of BTN volume was 66.8 ± 13.6%, p < 0.001). At 12 months, the mean percentage reduction of BTN volume compared to six months was 13.7 ± 17.1% (p < 0.001). At 6-month, symptom score had improved significantly (p < 0.001) while it does not change significantly between 6 and 12 months. In particular, symptom score improved significantly in the medium (p < 0.001) and large (p < 0.01) subgroups. Cosmetic score improved significantly between baseline and 6 months (p < 0.001) and between 6 and 12 months (p < 0.01). In all the subgroups, cosmetic score improved significantly between baseline and 6 months, while between 6 and 12 months it improved significantly only in the large group (p < 0.05). RFA was well tolerated. Only one patient experienced permanent right paramedian vocal cord palsy. Conclusions A single RFA treatment was effective in reducing BTNs volume, in particular small and medium nodules. Cosmetic score improved in all treated BTNs while symptom score only got better in the medium and large BTNs.

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PURPOSE: We report three cases of spontaneous prostatic tissue elimination through the urethra while voiding following technically successful prostatic artery embolization (PAE) as a treatment for lower urinary tract symptoms (LUTS) related to benign prostatic hyperplasia (BPH). METHODS: All patients were embolized with 100- to 300-µm microspheres alone or in combination with 300- to 500-µm microspheres. RESULTS: During follow-up prior to eliminating the tissue fragments, the three patients all presented with intermittent periods of LUTS improvement and aggravation. After expelling the prostatic tissue between 1 and 5 months of follow-up, significant improvements in LUTS and urodynamic parameters were observed in all patients. CONCLUSIONS: Urethral obstruction after PAE caused by sloughing prostate tissue is a potential complication of the procedure and should be considered in patients with recurrent LUTS in order to avoid inappropriate management.

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PURPOSE: To compare recurrence of lower urinary tract symptoms (LUTS) recurrence at 12 months following original prostate artery embolization (oPAE) or "proximal embolization first, then embolize distal" (PErFecTED) PAE for benign prostatic hyperplasia (BPH). MATERIALS AND METHODS: 105 consecutive patients older than 45 years, with prostate size greater than 30 cm3, International Prostate Symptom Score (IPSS) ≥ 8, quality of life (QoL) index ≥ 3, and refractory status or intolerance of medical management were prospectively enrolled between June 2008 and August 2013. The study was IRB-approved, and all patients provided informed consent. Patients underwent oPAE or PErFecTED PAE and were followed for at least 12 months. Technical success was defined as bilateral embolization and clinical success (non-recurrence) was defined as removal of the Foley catheter in patients with urinary retention, IPSS < 8 and QoL index < 3 at 12 months of follow-up. Nonparametric statistics were used to compare the study groups due to the size of the study population and distributions of clinical data. RESULTS: 97 patients had 12-month data and were categorized as oPAE without recurrence (n = 46), oPAE with recurrence (n  = 13), PErFecTED without recurrence (n  = 36), or PErFecTED with recurrence (n  = 2). Recurrence was significantly more common in oPAE patients (χ 2, p = 0.026). Unilateral embolization was significantly associated with recurrence among patients who underwent oPAE (χ 2, p = 0.032). CONCLUSIONS: Both oPAE and PErFecTED PAE are safe and effective methods for treatment of LUTS, but PErFecTED PAE is associated with a significantly lower rate of symptom recurrence.

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OBJECTIVES: Down syndrome (DS), which is caused by the trisomy of chromosome 21, is the most frequent of all genetic syndromes. The current study aims to estimate the prevalence of lower urinary tract symptoms (LUTS) in individuals with DS buy using the Dysfunctional Voiding Symptom Score (DVSS) and correlate with functional constipation, age, and gender, as well as determine the most sensitive and specific factors associated with LUTS. METHODS: LUTS was assessed in individuals with DS using a cross-sectional study through the application of a validated and adapted version of the DVSS for the Brazilian population. The presence of functional constipation was evaluated according to the Rome III criteria. RESULTS: Of the 114 individuals assessed, 84 were included in the study (median age 16 ± 5.0 years, 66.7% female). The prevalence of LUTS was 27.3%. The symptoms were more frequent in males (OR 3.0, 95% CI 1.1-8.3, p = 0.03) and in individuals younger than 10 years of age (OR 5.2, 95% CI 1.8-14, p = 0.001). Functional constipation was observed in 50% of subjects. It was detected in 95.65% of the individuals with LUTS and 32.78% without LUTS (OR 45.1, 95% CI 5.66-301, p = 0.001). The symptom listed in question 8 ("push to pee") was the most specific indicator. When present, this symptom indicated a higher probability of LUTS (LR+ = 6.3), while the symptom listed in question 4 ("push for bowel movements to come out") showed high sensitivity and, when absent, indicated a lower probability of LUTS (LR- = 0.1). CONCLUSIONS: LUTS was more prevalent in young males with DS and appeared to improve with age. Functional constipation was strongly associated with LUTS. These findings will contribute to raising the awareness of professionals involved in the follow-up of individuals with DS regarding the clinical manifestations and the need for a standardized investigation of LUTS.

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PURPOSE: Parasacral transcutaneous electrical nerve stimulation and posterior tibial nerve stimulation have emerged as effective methods to treat overactive bladder in children. However, to our knowledge no study has compared the 2 methods. We evaluated the results of parasacral transcutaneous electrical nerve stimulation and posterior tibial nerve stimulation in children with overactive bladder. MATERIALS AND METHODS: We prospectively studied children with overactive bladder without dysfunctional voiding. Success of treatment was evaluated by visual analogue scale and dysfunctional voiding symptom score, and by level of improvement of each specific symptom. Parasacral transcutaneous electrical nerve stimulation was performed 3 times weekly and posterior tibial nerve stimulation was performed once weekly. RESULTS: A total of 22 consecutive patients were treated with posterior tibial nerve stimulation and 37 with parasacral transcutaneous electrical nerve stimulation. There was no difference between the 2 groups regarding demographic characteristics or types of symptoms. Concerning the evaluation by visual analogue scale, complete resolution of symptoms was seen in 70% of the group undergoing parasacral transcutaneous electrical nerve stimulation and in 9% of the group undergoing posterior tibial nerve stimulation (p = 0.02). When the groups were compared, there was no statistically significant difference (p = 0.55). The frequency of persistence of urgency and diurnal urinary incontinence was nearly double in the group undergoing posterior tibial nerve stimulation. However, this difference was not statistically significant. CONCLUSIONS: We found that parasacral transcutaneous electrical nerve stimulation is more effective in resolving overactive bladder symptoms, which matches parental perception. However, there were no statistically significant differences in the evaluation by dysfunctional voiding symptom score, or in complete resolution of urgency or diurnal incontinence.

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OBJETIVO: Relacionar a avaliação objetiva da obstrução nasal por rinometria acústica (volume dos cinco primeiros centímetros da cavidade nasal) e rinomanometria anterior ativa (resistência nasal total) com a avaliação subjetiva (escore de obstrução). MÉTODO: Participaram do estudo 30 pacientes (7 a 18 anos) com rinite alérgica persistente e 30 controles. O escore foi referido para cavidade nasal total e narinas em separado. As três variáveis foram mensuradas nos momentos basal e após indução de obstrução nasal. RESULTADOS: Houve correlações significantes e negativas entre resistência e volume nasal em todos os grupos e situações de avaliação, exceto para narina mais obstruída, grupo controle, pós-obstrução. Para a cavidade nasal total, não houve correlação significante entre as variáveis objetivas e subjetiva, exceto entre escore e volume na cavidade nasal total no grupo controle pós-obstrução. Na narina mais obstruída, houve correlação significante e negativa para escore e resistência e significante e positiva para escore e volume nasal no grupo total, momento basal. Não houve diferença nítida nos coeficientes de correlação entre pacientes e controles, e estes não se alteraram após a indução de obstrução nasal. CONCLUSÕES: Avaliação objetiva da obstrução nasal não apresentou correlação significativa com a avaliação subjetiva na cavidade nasal total, mas sim na avaliação unilateral. Houve correlação entre avaliações objetivas. Rinite alérgica ou obstrução nasal aguda não interferiram na correlação entre as avaliações objetiva e subjetiva da obstrução nasal. Sugere-se utilidade no acréscimo de métodos objetivos para avaliação da obstrução nasal em pesquisas e, na sua impossibilidade, avaliação das narinas em separado.

OBJECTIVE: To correlate objective assessment of nasal obstruction, as measured by acoustic rhinometry (volume of the first 5 cm of the nasal cavity) and active anterior rhinomanometry (total nasal airway resistance), with its subjective evaluation (obstruction scores). METHOD: Thirty patients, aged 7 to 18 years, with persistent allergic rhinitis and thirty controls were enrolled. The obstruction score was reported for the whole nasal cavity and for each nostril separately. The three variables were measured at baseline and after induction of nasal obstruction. RESULTS: There were significant and negative correlations between resistance and nasal volume in all groups and scenarios, except for the most obstructed nostril, in the control group, post-obstruction. For the whole nasal cavity, there was no significant correlation between objective and subjective variables except between score and total nasal cavity volume in the control group, post-obstruction. Regarding the most obstructed nostril, we found a significant negative correlation between score and resistance and a significant positive correlation between score and volume for the total group at baseline. There were no clear differences in the correlation coefficients found in patients and controls. The correlation coefficients did not change after induction of nasal obstruction. CONCLUSIONS: Objective assessment of nasal obstruction did not correlate significantly with subjective evaluation for the nasal cavity as a whole, but there was a correlation for unilateral assessments. There was correlation between the objective evaluations. Allergic rhinitis and acute induction of nasal obstruction did not affect the correlation between objective and subjective assessments of nasal obstruction. Addition of an objective method for evaluation of nasal obstruction could be useful in the research setting; if no such method can be used, each nostril should be evaluated separately.

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Objective: To assess the impact of the percent of resected tissue on the improvement of urinary symptoms. Materials and methods: The study included a prospective analysis of 88 men with benign prostatic hyperplasia. Patients were divided in three groups according to the percent of resected tissue: Group 1 < 30 percent; Group 2, 30 percent to 50 percent; and Group 3, > 50 percent. Each patient was re-evaluated 3 months after surgery. We assessed the international prostatic symptom score, nocturia and serum prostate specific antigen levels. Results: All patients presented a significant decrease on mean International Prostate System Score (IPSS) (23 to 5.9), Quality of Life (QoL) (4.9 to 1.0) and nocturia (3.2 to 1.9). Variation in the IPSS was 16.7, 16.6 and 18.4 for patients from Group 1, 2 and 3 respectively (P = 0.504). Although the three groups presented a significant decrease in QoL, patients in Group 3 presented a significantly greater decrease when compared to Group 1. Variation in QoL was 3.1, 3.9 and 4.2 for patients from Group 1, 2 and 3 respectively (p = 0.046). There was no significant difference in nocturia variation according to the percent of resected tissue (p = 0.504). Median pre and postoperative PSA value was 3.7 and 1.9 ng/mL respectively. Patients from Group 1 did not show a significant variation (p = 0.694). Blood transfusions were not required in any group. Conclusions:Resection of less than 30 percent of prostatic tissue seems to be sufficient to alleviate lower urinary tract symptoms related to benign prostate hyperplasia. However, these patients may not show a significant decrease in serum PSA level.

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