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1.
BMJ Open ; 14(9): e079302, 2024 Sep 20.
Artigo em Inglês | MEDLINE | ID: mdl-39306351

RESUMO

INTRODUCTION: In addition to various techniques involved in catheter insertion, catheter placement location, lumen diameter and operation and management during continuous renal replacement therapy (CRRT), the design of the tip and side holes, as well as the position of the tip of the catheter, can also impact catheter function. Side-hole and step-tip catheters are commonly used during CRRT. However, there is insufficient evidence comparing their efficacy for CRRT in critically ill patients. And the optimal position of the tip of catheters is not well studied and remains controversial. This study was conducted to assess whether using a step-tip catheter could reduce the rate of catheter dysfunction compared with a side-hole catheter and whether inserting a longer catheter could reduce the incidence of catheter dysfunction and increase catheter survival time. METHODS AND ANALYSIS: A prospective, open-label, three-arm, parallel-group, single-centre randomised controlled trial will be conducted at West China Hospital of Sichuan University in China. An estimated sample of 378 participants receiving CRRT treatment will be recruited. Eligible patients will be randomly assigned to three groups to receive different dialysis catheters for the initiation of CRRT at a 1:1:1 ratio via a central randomisation system: group A, side-hole catheters (11Fr, 200 mm; GDHK-1120; Baxter International Inc., Deerfield, Illinois); group B, step-tip catheters (13Fr, 200 mm; GDHK-1320; Baxter International Inc.) and group C, step-tip catheters (13Fr, 250 mm; GDHK-1325; Baxter International Inc.). The femoral vein is the only vascular access. All catheters will be inserted under the guidance of ultrasound using the Seldinger method to reduce complications and trauma related to catheter insertion. The primary outcomes are the occurrence of catheter dysfunction and catheter survival time. Outcome assessors and data analysts will be blinded. All data will be analysed according to the group randomly assigned by an intention-to-treat analysis, in which catheters with missing data for the primary outcomes would be excluded. ETHICS AND DISSEMINATION: The trial protocol has been approved by the Biomedical Research Ethics Committee of West China Hospital of Sichuan University (2023.1221). And the results will be published in peer-reviewed journals. TRIAL REGISTRATION NUMBER: ChiCTR2300075107.


Assuntos
Terapia de Substituição Renal Contínua , Unidades de Terapia Intensiva , Ensaios Clínicos Controlados Aleatórios como Assunto , Humanos , Terapia de Substituição Renal Contínua/métodos , Terapia de Substituição Renal Contínua/instrumentação , Estudos Prospectivos , China , Masculino , Estado Terminal/terapia , Desenho de Equipamento , Feminino , Cateteres de Demora/efeitos adversos
3.
BMC Anesthesiol ; 24(1): 334, 2024 Sep 19.
Artigo em Inglês | MEDLINE | ID: mdl-39300332

RESUMO

BACKGROUND: Catheter-related bladder discomfort (CRBD) commonly occurs in patients who have indwelling urinary catheters while under general anesthesia. And moderate-to-severe CRBD can lead to significant adverse events and negatively impact patient health outcomes. However, current screening studies for patients experiencing moderate-to-severe CRBD after waking from general anesthesia are insufficient. Constructing predictive models with higher accuracy using multiple machine learning techniques for early identification of patients at risk of experiencing moderate-to-severe CRBD during general anesthesia resuscitation. METHODS: Eight hundred forty-six patients with indwelling urinary catheters who were resuscitated in a post-anesthesia care unit (PACU). Trained researchers used the CRBD 4-level assessment method to evaluate the severity of a patient's CRBD. They then inputted 24 predictors into six different machine learning algorithms. The performance of the models was evaluated using metrics like the area under the curve (AUC). RESULTS: The AUCs of the six models ranged from 0.82 to 0.89. Among them, the RF model displayed the highest predictive ability, with an AUC of 0.89 (95%CI: 0.87, 0.91). Additionally, it achieved an accuracy of 0.93 (95%CI: 0.91, 0.95), 0.80 sensitivity, 0.98 specificity, 0.94 positive predictive value (PPV), 0.92 negative predictive value (NPV), 0.87 F1 score, and 0.07 Brier score. The logistic regression (LR) model has achieved good results (AUC:0.87) and converted into a nomogram. CONCLUSIONS: The study has successfully developed a machine learning prediction model that exhibits excellent predictive capabilities in identifying patients who may develop moderate-to-severe CRBD after undergoing general anesthesia. Furthermore, the study also presents a nomogram, which serves as a valuable tool for clinical healthcare professionals, enabling them to intervene at an early stage for better patient outcomes.


Assuntos
Anestesia Geral , Aprendizado de Máquina , Humanos , Anestesia Geral/métodos , Masculino , Estudos Prospectivos , Feminino , Pessoa de Meia-Idade , Estudos de Coortes , Idoso , Adulto , Cateteres de Demora/efeitos adversos , Cateteres Urinários/efeitos adversos , Cateterismo Urinário , Valor Preditivo dos Testes
4.
BMJ Open ; 14(9): e081288, 2024 Sep 30.
Artigo em Inglês | MEDLINE | ID: mdl-39349374

RESUMO

OBJECTIVE: This study aimed to evaluate the safety and performance of PowerPICC catheters in a real-world setting. DESIGN: Prospective, observational, multicentre study. SETTING: Nine European countries, involving 14 centres. PARTICIPANTS: General patient population. INTERVENTION: PowerPICC catheter inserted by the clinician as standard of care with routinely collected outcomes followed through device removal or 180 days postinsertion. PRIMARY AND SECONDARY OUTCOMES MEASURES: Safety and performance outcomes were assessed for PowerPICC, PowerPICC SOLO 2 and PowerGroshong PICC. The primary safety endpoint was the incidence of symptomatic venous thrombosis (VT), and secondary safety endpoints included phlebitis, extravasation, vessel laceration, vessel perforation local infection, accidental dislodgment and catheter-related bloodstream infection (CRBSI). The primary performance endpoint was the percentage of patients whose PowerPICC device remained in place through the completion of therapy. The secondary performance endpoints included catheter patency, placement success in a single attempt and usability. RESULTS: The enrolled patients (N=451) received either PowerPICC, PowerPICC SOLO 2 or PowerGroshong PICC catheters. Across all devices, 1.6% of patients developed symptomatic VT, and CRBSI occurred in 1.6% of patients. There were no cases of phlebitis or extravasation and only three cases of vein laceration or vein perforation. The catheters showed high success rates in completing therapy (81.8%), maintaining patency (93.9%) and achieving successful placement in a single attempt (90.4%). Clinicians overwhelmingly agreed that both the guidewire and stylet (93.3% and 94.4%, respectively) were easy or very easy to use. CONCLUSIONS: This study demonstrates the safety and performance of PowerPICC catheters across diverse settings and patient cohorts in real-world hospital settings across Europe. The findings indicate that these catheters are safe and can be effectively used in the general patient setting and when inserted by a variety of clinicians. The low incidence of complications and high success rates further support the clinical utility of these catheters. TRIAL REGISTRATION NUMBER: NCT04263649.


Assuntos
Infecções Relacionadas a Cateter , Humanos , Estudos Prospectivos , Masculino , Feminino , Pessoa de Meia-Idade , Infecções Relacionadas a Cateter/epidemiologia , Infecções Relacionadas a Cateter/prevenção & controle , Idoso , Cateterismo Periférico/efeitos adversos , Cateterismo Periférico/instrumentação , Cateterismo Venoso Central/efeitos adversos , Cateterismo Venoso Central/instrumentação , Cateterismo Venoso Central/métodos , Adulto , Trombose Venosa/epidemiologia , Trombose Venosa/etiologia , Trombose Venosa/prevenção & controle , Europa (Continente) , Cateteres Venosos Centrais/efeitos adversos , Cateteres de Demora/efeitos adversos , Flebite/etiologia , Flebite/epidemiologia
5.
Zhonghua Er Ke Za Zhi ; 62(10): 975-980, 2024 Oct 02.
Artigo em Chinês | MEDLINE | ID: mdl-39327965

RESUMO

Objectives: To investigate the rate and risk factors of tip displacement of umbilical venous catheterization (UVC) in preterm infants. Methods: This was a multicenter cohort study. Study population were preterm infants admitted to 44 tertiary hospitals in China between October 2019 and August 2021. Demographic information, general clinical data, UVC indwelling conditions and related complications were collected. The primary outcome was the rate of UVC tip displacement. The observation time points were 2 d and 7 d after UVC. They were grouped according to UVC displacement, gestational age, and birth weight. Binary Logistic regression was used to analyze the risk factors of UVC tip displacement. Results: The 2 086 preterm infants had a gestational age of (29.9±2.3) weeks and a birth weight of (1 248±298) g. There were 1 106 male preterm infants (53.0%). The rate of UVC displacement at 2 d and 7 d were 34.6% (721/2 086) and 33.6% (494/1 470), respectively, with no statistically significant difference (χ2=0.35, P=0.533). Univariate analysis indicated that male infants, small gestational age, low birth weight and small catheter diameter were all risk factors for UVC tip displacement at the 2 d time point (all P<0.05). Multivariate analysis showed that small catheter diameter was an independent risk factor for tip displacement at both 2 d (OR=0.47, 95%CI 0.34-0.66) and 7 d (OR=0.39, 95%CI 0.25-0.59) time points (both P<0.001). Conclusions: The rate of UVC tip displacement is high in preterm infants. It should be avoided to deliberately select a small diameter catheter for UVC, and pay attention to the imaging monitoring of the tip position after UVC.


Assuntos
Idade Gestacional , Recém-Nascido Prematuro , Veias Umbilicais , Humanos , Fatores de Risco , Recém-Nascido , Masculino , Feminino , China/epidemiologia , Cateteres de Demora/efeitos adversos , Peso ao Nascer , Estudos de Coortes , Modelos Logísticos , Fatores de Tempo , Cateterismo Periférico/efeitos adversos
6.
Am Fam Physician ; 110(3): 251-258, 2024 09.
Artigo em Inglês | MEDLINE | ID: mdl-39283848

RESUMO

Family physicians often treat patients who require urinary management with the use of external urinary devices, clean intermittent catheterization, or indwelling urinary catheterization. External urinary devices are indicated for urinary incontinence (postvoid residual less than 300 mL), urine volume measurement for hospitalized patients, nonsterile urine diagnostic testing, improved comfort for patients in hospice or palliative care, and fall prevention for high-risk patients. Indwelling urinary catheterization is indicated for severe urinary retention or bladder outlet obstruction; wound healing in the sacrum, buttocks, or perineal area; prolonged immobilization; and as a palliative measure for patients who are terminally ill. Clean intermittent catheterization is an alternative to indwelling urinary catheterization for acute or chronic urinary retention (postvoid residual greater than 300 mL) without bladder outlet obstruction, sterile urine testing, postvoid residual volume assessment, and wound healing. Suprapubic catheter placement is considered when long-term catheterization is needed or urethral catheterization is not feasible. Urinary catheters should not be used solely for staff or caregiver convenience, incontinence-related dermatitis, urine culture procurement from a voiding patient, or initial incontinence management. Common complications of urinary catheter use include obstruction, bladder spasm, urine leakage, and skin breakdown of the sacrum, buttocks, or perineum. The risk of catheter-associated urinary tract infections increases with the duration of catheter use. Urologist referral is indicated for patients requiring urinary management who have recurrent urinary tract infections, acute infectious urinary retention, suspected urethral injury, or substantial urethral discomfort or if long-term catheterization is being considered.


Assuntos
Cateterismo Urinário , Cateteres Urinários , Humanos , Cateterismo Urinário/efeitos adversos , Cateterismo Urinário/métodos , Cateteres Urinários/efeitos adversos , Retenção Urinária/terapia , Retenção Urinária/diagnóstico , Retenção Urinária/etiologia , Infecções Urinárias/diagnóstico , Infecções Urinárias/prevenção & controle , Infecções Urinárias/terapia , Cateteres de Demora/efeitos adversos , Incontinência Urinária/terapia , Incontinência Urinária/diagnóstico
7.
J Pak Med Assoc ; 74(9): 1690-1692, 2024 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-39279079

RESUMO

Chronic kidney disease has become a significant global health issue, with some individuals progressing to endstage renal disease (ESRD) and requiring renal replacement therapy. For ESRD patients undergoing haemodialysis, the first step is to establish vascular access. In emergency situations, inserting a haemodialysis catheter (HDC) into the central vein is often the most appropriate approach; the right internal jugular vein (IJV) is considered the optimal site for catheterisation. However, catheter placement in the right IJV can sometimes lead to inadvertent entry into an abnormal position. Herein, we present a unique case in which the tip of the HDC was noted to have misplaced into the left IJV due to the patient's multiple central venous stenosis (CVS). This case highlights the clinical manifestation of HDC misplacement, with CVS being the underlying cause. Therefore, healthcare providers should pay adequate attention to CVS.


Assuntos
Cateterismo Venoso Central , Veias Jugulares , Falência Renal Crônica , Diálise Renal , Humanos , Diálise Renal/métodos , Cateterismo Venoso Central/efeitos adversos , Veias Jugulares/diagnóstico por imagem , Falência Renal Crônica/terapia , Falência Renal Crônica/complicações , Constrição Patológica/etiologia , Cateteres Venosos Centrais/efeitos adversos , Masculino , Pessoa de Meia-Idade , Cateteres de Demora/efeitos adversos
8.
J Infus Nurs ; 47(5): 324-346, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-39250768

RESUMO

Midline catheters have recently gained popularity in clinical use, with a common reason being the reduction of central venous catheter use and central line-associated bloodstream infections. At the same time, the number of nononcology vesicant medications has increased, and midline catheters are frequently being used for infusions of vesicant medications. The Infusion Nurses Society (INS) Vesicant Task Force identified midline catheter use as a possible risk factor for extravasation and concluded that a thorough literature review was necessary. This review highlights the variations in catheter terminology and tip locations, the frequency of infiltration and extravasation in published studies, and case reports of infiltration and extravasation from midline catheters. It also examines the many clinical issues requiring evidence-based decision-making for the most appropriate type of vascular access devices. After more than 30 years of clinical practice with midline catheters and what appears to be a significant number of studies, evidence is still insufficient to answer questions about infusion of vesicant and irritant medications through midline catheters. Given the absence of consensus on tip location, inadequate evidence of clinical outcomes, and importance of patient safety, the continuous infusion of vesicants, all parenteral nutrition formulas, and infusates with extremes in pH and osmolarity should be avoided through midline catheters.


Assuntos
Extravasamento de Materiais Terapêuticos e Diagnósticos , Humanos , Fatores de Risco , Cateterismo Venoso Central/efeitos adversos , Irritantes/efeitos adversos , Cateteres de Demora/efeitos adversos , Cateteres Venosos Centrais/efeitos adversos
9.
Isr Med Assoc J ; 26(8): 508-513, 2024 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-39254412

RESUMO

BACKGROUND: Hemodialysis requires reliable, recurrent access to the circulatory system. Central venous tunneled dialysis catheters (TDC) are frequently used for patients receiving hemodialysis as a bridge to permanent vascular access or as a final option. TDC are prone to complications such as infection and dysfunction. OBJECTIVES: To assess the prevalence and predictors of TDC dysfunction in a cohort of chronic hemodialysis patients. METHODS: This single-center, retrospective study was based on data from an electronic database of chronic hemodialysis patients during 5 years of follow-up. RESULTS: A total of 625 TDC were inserted in 361 patients, of which 234 (37.4%) were replaced due to dysfunction. The main insertion site was the right internal jugular vein. Diabetes mellitus was an important predictor of TDC dysfunction and was significantly correlated with TDC extraction. Chronic anticoagulation and antiplatelet treatment did not affect the rate of TDC dysfunction or replacement. CONCLUSIONS: TDC use for chronic dialysis patients is increasing and dysfunction is a major problem. In our study, we highlighted the high prevalence of TDC dysfunction and the need for further research to improve hemodialysis access as well as TDC patency and function.


Assuntos
Cateterismo Venoso Central , Cateteres de Demora , Diálise Renal , Humanos , Diálise Renal/métodos , Diálise Renal/efeitos adversos , Estudos Retrospectivos , Masculino , Feminino , Prevalência , Pessoa de Meia-Idade , Cateterismo Venoso Central/efeitos adversos , Cateterismo Venoso Central/métodos , Cateteres de Demora/efeitos adversos , Idoso , Veias Jugulares , Cateteres Venosos Centrais/efeitos adversos , Falha de Equipamento/estatística & dados numéricos , Fatores de Risco , Falência Renal Crônica/terapia , Falência Renal Crônica/epidemiologia , Israel/epidemiologia , Seguimentos
10.
J Int Med Res ; 52(9): 3000605241260556, 2024 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-39224951

RESUMO

The penetration of a peritoneal dialysis catheter into the intestinal cavity is a clinically rare complication. In the present retrospective clinical case series, 11 patients with uraemia who received continuous ambulatory peritoneal dialysis and attended hospital between 2019 and 2023 are described. The median patient age was 61.91 ± 11.33 years. All patients had previously experienced peritoneal dialysis-related peritonitis and were clinically cured by infusing sensitive antibiotics into the abdominal cavity. Colonoscopy was utilised to locate the penetrating catheter and close the perforation with a titanium clip once the catheter had been removed via an external approach. Following a 2-4-week fast, the perforations healed in all 11 patients. The present authors' experience illustrates that directly removing the catheter and clamping the perforation opening under the guidance of colonoscopy is simple to operate with few complications compared with traditional open surgery.


Assuntos
Diálise Peritoneal Ambulatorial Contínua , Humanos , Pessoa de Meia-Idade , Masculino , Feminino , Idoso , Estudos Retrospectivos , Diálise Peritoneal Ambulatorial Contínua/efeitos adversos , Diálise Peritoneal Ambulatorial Contínua/instrumentação , Cateteres de Demora/efeitos adversos , Colonoscopia/métodos , Perfuração Intestinal/etiologia , Perfuração Intestinal/cirurgia , Peritonite/etiologia , Peritonite/diagnóstico , Diálise Peritoneal/instrumentação , Diálise Peritoneal/efeitos adversos , Adulto
11.
Ren Fail ; 46(2): 2389185, 2024 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-39165180

RESUMO

Backgrounds: The malfunction of peritoneal dialysis (PD) catheter is still an intractable problem. A modified open surgical revision technique with suturing fixation and without catheter removal for malfunctioning catheter was developed to evaluated the efficacy and safety between simultaneous catheter replacement technique.Methods: A total of 167 PD patients with malfunctioning catheter were retrospectively reviewed. For the salvage of PD catheters, patients underwent modified open surgical revision (group A) or simultaneous catheter replacement (group B). The baseline characteristics before operation, perioperative condition, complications and outcomes were compared between both groups.Results: Patients of group A showed significantly shorter operative time (67.4 ± 22.1 versus 82.8 ± 21.1 min, p = 0.009), less postoperative pain score within 24 h (median 0.0 versus 2.0, p < 0.001), quicker start of PD (1.06 ± 0.31 versus 1.89 ± 0.89 days, p < 0.001), shorter length of stay (9.89 ± 5.11 versus 12.55 ± 7.37 days, p = 0.020) than group B. In terms of complications, the incidence of recurred catheter malfunction in group A was significantly lower than those in group B (1/114 versus 12/53, p < 0.001). There were no significant differences in mechanical complications (bloody effluent, dialysate leakage, and hernia) and early peritonitis between the groups. The group A patients had a favorable catheter survival rate compared with group B (log-rank, p = 0.004).Conclusions: Our modified open surgical revision technique is a safe, simple and fast method, and offers a better outcome with minimal risk of recurrence of catheter malfunction without additional cost and equipment. This technique is worthy of clinical application.


Assuntos
Cateteres de Demora , Falha de Equipamento , Diálise Peritoneal , Reoperação , Humanos , Masculino , Feminino , Pessoa de Meia-Idade , Estudos Retrospectivos , Diálise Peritoneal/instrumentação , Diálise Peritoneal/efeitos adversos , Cateteres de Demora/efeitos adversos , Idoso , Adulto , Remoção de Dispositivo/métodos , Falência Renal Crônica/terapia , Tempo de Internação , Resultado do Tratamento , Duração da Cirurgia , Técnicas de Sutura/instrumentação
12.
J Vet Intern Med ; 38(5): 2664-2668, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-39198022

RESUMO

Urothelial carcinoma (UC) occurs uncommonly in cats and no association has previously been observed with long-term indwelling urinary implants. An 18-year-old male castrated domestic shorthair cat initially was presented for hematuria, leading to the diagnosis of a right-sided ureterolithiasis and severe pyelectasia on ultrasound examination, prompting right-sided subcutaneous ureteral bypass (SUB) device placement. The cat subsequently had intermittent hematuria and dysuria, without ultrasonographic abnormality of the bladder or positive urine culture. Thirteen months later the patient developed refractory lower urinary tract signs, azotemia, a proliferative mass in the region of the cystostomy tube component of the SUB device and evidence of left ureteral obstruction. Cystostomy tube revision and left-sided SUB device placement were performed, as well as a partial cystectomy for removal of the mass. Upon histopathology, the mass was diagnosed as a UC. To our knowledge, UC associated with a long-term indwelling cystostomy catheter component of a SUB device has not been reported in veterinary medicine.


Assuntos
Doenças do Gato , Cistostomia , Animais , Masculino , Gatos , Doenças do Gato/cirurgia , Cistostomia/veterinária , Cateteres de Demora/veterinária , Cateteres de Demora/efeitos adversos
13.
Afr J Paediatr Surg ; 21(3): 204-206, 2024 Jul 01.
Artigo em Inglês | MEDLINE | ID: mdl-39162758

RESUMO

ABSTRACT: A chemoport is widely used in paediatric oncology population. Removal is a relatively easy procedure, but difficulty can be encountered in case the catheter is densely adherent to the vascular wall. It is a rare complication and is associated with long indwelling duration and acute lymphoblastic leukaemia (ALL). Forceful traction can lead to vascular injury and high morbidity. Herein, we report a 7-year-old girl with precursor B ALL who had delayed chemoport removal due to the coronavirus disease (COVID-19) pandemic. The removal process was difficult, as the catheter was adherent to the right innominate vein. Out of panic, the surgeon pulled it out forcefully. Fortunately, the catheter and its fragment were successfully retrieved completely and the child was discharged the next day. The management strategy varies and ranges from minimally invasive to open surgery. Leaving a stuck chemoport catheter in situ can be a bailout method or part of conservative management.


Assuntos
COVID-19 , Remoção de Dispositivo , Humanos , Criança , Feminino , Cateteres de Demora/efeitos adversos , SARS-CoV-2 , Cateterismo Venoso Central/efeitos adversos , Leucemia-Linfoma Linfoblástico de Células Precursoras B/terapia , Leucemia-Linfoma Linfoblástico de Células Precursoras B/cirurgia , Pandemias
14.
Sci Prog ; 107(3): 368504241260374, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-39096050

RESUMO

INTRODUCTION: Persistent withdrawal occlusion (PWO) is a specific catheter malfunction characterized by the inability to withdraw blood through the device. The most common cause of PWO in ports is the presence of a fibroblastic sleeve (FS). If malfunction occurs, medication can be applied incorrectly with the increased risk of complications. METHODS: One hundred seventy-seven cases of PWO in venous ports were managed. We focused on evaluating the cause of PWO, the frequency of occurrence of FS, and the options to address the malfunction. The patients underwent fluoroscopy with a contrast agent administration. Mechanical disruption (MD) with a syringe of saline using the flush method was used; in case of its failure, subsequent administration of a lock solution with taurolidine and urokinase, or low-dose thrombolysis with alteplase was indicated. Demographic data were compared with a control group. RESULTS: A significantly higher proportion of female patients was found in the cohort of patients with PWO (80.3% vs 66.3%, p = 0.004), dominantly patients with ovarian cancer (12.8% vs 4.8%, p = 0.022). No effect of the cannulated vein or the type of treatment on the incidence of PWO was demonstrated. The presence of FS was verified in 70% of cases. MD with a syringe was successful in 53.5% of cases. A significantly shorter time to referral (3 weeks) was demonstrated with successful management. The overall success rate of achieving desobliteration by MD alone or in combination with a thrombolytic (urokinase or alteplase) administration was 97.4%. CONCLUSION: We created a method for resolving PWO using MD +/- application of thrombolytics with 97.4% success rate. Current evidence showed that FS is not likely to be affected by thrombolytic drugs; however, we have ascertained an effect of these drugs, proposing a hypothesis of microthrombotic events at the tip of the catheter if fibroblastic sleeve is present.


Assuntos
Neoplasias , Humanos , Feminino , Masculino , Pessoa de Meia-Idade , Neoplasias/tratamento farmacológico , Neoplasias/complicações , Idoso , Adulto , Cateterismo Venoso Central/efeitos adversos , Cateteres de Demora/efeitos adversos , Obstrução do Cateter/etiologia
15.
World J Urol ; 42(1): 469, 2024 Aug 07.
Artigo em Inglês | MEDLINE | ID: mdl-39110241

RESUMO

PURPOSE: About 50% of individuals with long-term indwelling catheters are affected by catheter encrustations and bladder stone formation. Therefore, prophylaxis of catheter encrustations is important. Currently, however, neither an established prophylaxis nor a standardized in-vitro model to test different measures exist. We have therefore developed and qualitatively evaluated an in-vitro model of catheter encrustation. METHODS: Size 14 French suprapubic catheters were incubated under sterile conditions at 37 degrees Celsius in five different media: (1) sterile artificial urine (n = 16), (2) artificial urine with E. coli (n = 8), (3) with Pseudomonas aeruginosa (n = 8), (4) with Proteus mirabilis (n = 8), and (5) with a mix of these three strains (n = 8). Catheter balloons were inflated either a glycerine or a bactericidal solution. After 6 weeks, the catheters were removed from the solution, dried, and weighed, and a photometric determination of the retrieved encrustations was performed. RESULTS: Most frequently and pronounced encrustations were detected in the Pseudomonas group. The median weight of these encrustations (50% struvite and brushite) was 84.4 mg (47.7 mg / 127.3 mg). Even on catheters stored in sterile urine, encrustations (69.2% struvite) were found. Bacterial growth was not affected by the medium used for catheter blockage. CONCLUSION: Although in-vitro models appear to be limited because they lack "the human factor", they are valuable for systematically assessing physico-chemical factors affecting encrustations. Therefore, our model, being reliable and cost-effective, may foster further research despite its limitations.


Assuntos
Cateteres Urinários , Humanos , Cateteres Urinários/microbiologia , Cateteres Urinários/efeitos adversos , Cateteres de Demora/microbiologia , Cateteres de Demora/efeitos adversos , Proteus mirabilis/isolamento & purificação , Pseudomonas aeruginosa , Técnicas In Vitro , Infecções Relacionadas a Cateter/prevenção & controle , Infecções Relacionadas a Cateter/microbiologia , Escherichia coli , Cateterismo Urinário/efeitos adversos , Cateterismo Urinário/instrumentação , Modelos Biológicos
17.
Dtsch Med Wochenschr ; 149(16): 974-979, 2024 Aug.
Artigo em Alemão | MEDLINE | ID: mdl-39094602

RESUMO

Port systems provide safe venous access for patients with poor venous status and are essential for the long-term administration of drugs such as chemotherapeutics. However, they are not without complications. Port infection is a life-threatening situation; the infection rate in current studies varies from 0.8% to 7.5% and is significantly higher in cancer patients at 16-31%. The purpose of this SOP is to provide an overview of the management of port infections.


Assuntos
Infecções Relacionadas a Cateter , Humanos , Infecções Relacionadas a Cateter/tratamento farmacológico , Infecções Relacionadas a Cateter/prevenção & controle , Cateterismo Venoso Central/efeitos adversos , Cateteres de Demora/efeitos adversos
18.
BMC Nephrol ; 25(1): 273, 2024 Aug 26.
Artigo em Inglês | MEDLINE | ID: mdl-39187762

RESUMO

BACKGROUND: Refractory exit-site infections (ESIs) and tunnel infections (TIs) are challenging complications for patients undergoing peritoneal dialysis (PD). This study compared the outcomes of surgical intervention, notably the cuff-shaving (CS) procedure coupled with negative-pressure wound therapy (NPWT), and conservative management strategies for patients with refractory ESI and TI. METHODS: We retrospectively reviewed patients who underwent PD at our center, focusing on the incidence and management of ESI and TI. We evaluated and compared treatment outcomes, including ESI scores, frequency of ESI and/or TI, identification of causative microorganisms, and duration of catheter survival or time until removal. RESULTS: We identified 97 episodes of catheter-related ESI and/or TI across 71 patients with an incidence rate of 0.15 episodes per patient-year. Of the 23 patients with refractory ESI and/or TI, surgical intervention was performed in 8, while 15 chose conservative management. In the one-month follow-up, patients who underwent CS combined with NPWT showed no complications such as leakage, and their local symptoms resolved completely. The mean PD catheter survival time was significantly longer in the surgical group (29.38 ± 7.25 months) than in the conservative group (7.86 ± 2.13 months). Surgical intervention demonstrated a significantly higher therapeutic efficacy and extended catheter survival. CONCLUSIONS: The combination of CS and NPWT as a surgical approach is crucial for eradicating infectious foci and significantly improving the longevity of PD catheter function. This integrated surgical strategy offers a promising solution for the management of refractory ESI and TI in patients undergoing PD.


Assuntos
Infecções Relacionadas a Cateter , Tratamento de Ferimentos com Pressão Negativa , Humanos , Masculino , Feminino , Estudos Retrospectivos , Pessoa de Meia-Idade , Infecções Relacionadas a Cateter/terapia , Idoso , Diálise Peritoneal , Resultado do Tratamento , Cateteres de Demora/efeitos adversos , Adulto , Tratamento Conservador
19.
Cien Saude Colet ; 29(8): e05602024, 2024 Aug.
Artigo em Português, Inglês | MEDLINE | ID: mdl-39140539

RESUMO

A long-term indwelling catheter may be indicated in clinical situations, such as chronic diseases of the genitourinary or neurological systems. In addition to the risks of infection, trauma, and bleeding, a catheter's permanence can affect psycho-emotional and socioeconomic dimensions. We aimed to understand how the need to use a long-term indwelling catheter affects this patient's self-perception, interrelationships, and self-care. We carried out a qualitative, descriptive study based on interviews with 17 patients, and applied thematic analysis and complex thinking. The different prognoses and expectations regarding the catheter influenced self-perception, adaptation, acceptance, or denial. The presence of a catheter, whether as a curative measure or for comfort, can affect self-image and sexuality, and generate insecurities and uncertainties, which require understanding the multidimensionality of situations that suffer interference from the personal, family, and social environment, as well as health systems' capacity to deal with it. Despite the challenges, the majority of participants reported a favorable disposition towards self-care, whether to enable catheter removal or to prevent injuries in lifelong indications.


O cateter vesical de longa permanência pode ser indicado em situações clínicas, como nas doenças crônicas do sistema genitourinário ou neurológico. Além dos riscos de infecção, traumas e sangramentos, a permanência do cateter pode afetar dimensões psicoemocionais e socioeconômicas. Objetivamos compreender como a necessidade de uso do cateter urinário por um longo prazo afeta a autopercepção, as interrelações e o autocuidado deste paciente. Realizamos um estudo qualitativo, descritivo, a partir da entrevista de 17 pacientes, e aplicamos a análise temática e o pensamento complexo. Os diferentes prognósticos e as expectativas em relação ao cateter influenciaram a autopercepção, a adaptação, sua aceitação ou negação. A presença do cateter, seja como medida curativa ou para conforto, pode afetar a autoimagem e a sexualidade, gerar inseguranças e incertezas, que requerem compreensão da multidimensionalidade das situações, que sofrem interferências do meio pessoal, familiar e social, bem como da capacidade dos sistemas de saúde para o seu enfrentamento. Apesar dos desafios, a maioria dos participantes relatou disposição favorável para o autocuidado, seja para viabilizar retirada do cateter, ou para prevenir agravos em indicações vitalícias.


Assuntos
Cateteres de Demora , Autocuidado , Humanos , Masculino , Feminino , Pessoa de Meia-Idade , Cateteres de Demora/efeitos adversos , Adulto , Fatores de Tempo , Idoso , Entrevistas como Assunto , Autoimagem , Assistência Ambulatorial , Pesquisa Qualitativa , Pacientes Ambulatoriais/psicologia , Adulto Jovem
20.
J Neurosurg Pediatr ; 34(4): 357-364, 2024 Oct 01.
Artigo em Inglês | MEDLINE | ID: mdl-39029119

RESUMO

OBJECTIVE: The Hydrocephalus Clinical Research Network (HCRN) implemented a perioperative infection prevention bundle for all CSF shunt surgeries in 2007 that included the relatively unproven technique of intrathecal instillation of the broad-spectrum antibiotics vancomycin and gentamicin into the shunt. In the meantime, the field debated the use of antibiotic-impregnated catheter (AIC) shunt tubing using clindamycin and rifampin, an increasingly widespread, but expensive and controversial, technique. It is unknown whether there were changes in infecting organisms associated with the use of these techniques during CSF shunt surgery at the hospital level. Key comparison periods include during the use of intrathecal antibiotics (period 1 from June 1, 2007, to December 31, 2011, at HCRN hospitals) and AIC (period 2 from January 1, 2012, to December 31, 2015, at HCRN as well as increasing over time at non-HCRN hospitals) and only standard use of routine prophylactic antibiotics (period 1 at non-HCRN hospitals). The aim of this study was to examine rates of CSF shunt surgery-related infections from 2007 to 2012 at the hospital level, including HCRN and non-HCRN hospitals, with a focus on infections with gram-negative organisms. METHODS: The authors conducted a retrospective observational cohort study at 6 children's hospitals with enrollment from 2007 to 2012 and surveillance through 2015. Bimonthly rates of shunt surgery-related infections were summarized to produce an overall hospital-specific time series, as well as by HCRN/non-HCRN status. An interrupted time series analysis was performed to assess the impact of change in HCRN perioperative infection prevention bundle on overall bimonthly infection rates. Quarterly rates of gram-negative shunt surgery-related infections were summarized to produce an overall hospital-specific time series. RESULTS: The overall bimonthly CSF shunt infection rate over time did not change significantly from 2007 to 2012. There was no difference in the trajectory of infection rates between HCRN and non-HCRN hospitals during the entire study period. No change in distributions of gram-negative organism infections was observed in hospitals from 2007 to 2015. CONCLUSIONS: There were no differences observed in hospital-level infection rates for low-risk patients undergoing CSF shunt surgery. This included analyses based on participation in the HCRN network, given their regular use of intrathecal antibiotics in period 1 and a focus on gram-negative infections with increasing adoption of AICs in period 2.


Assuntos
Antibacterianos , Antibioticoprofilaxia , Derivações do Líquido Cefalorraquidiano , Humanos , Antibacterianos/administração & dosagem , Derivações do Líquido Cefalorraquidiano/efeitos adversos , Lactente , Masculino , Feminino , Antibioticoprofilaxia/métodos , Criança , Estudos Retrospectivos , Pré-Escolar , Injeções Espinhais , Infecção da Ferida Cirúrgica/prevenção & controle , Infecção da Ferida Cirúrgica/epidemiologia , Vancomicina/administração & dosagem , Gentamicinas/administração & dosagem , Hidrocefalia/cirurgia , Infecções Relacionadas a Cateter/prevenção & controle , Infecções Relacionadas a Cateter/epidemiologia , Adolescente , Cateteres de Demora/efeitos adversos , Rifampina/administração & dosagem
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