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Tunnelled Haemodialysis Catheter Removal: An Underappreciated Problem, Not Always Simple and Safe.

ABSTRACT: BACKGROUND:Optimal care of patients treated with a central tunneled catheter (CTC) as vascular access for hemodialysis requires a number of procedures. One of them is CTC removal, usually carried out using mostly the cut-down method (CDM) and the traction method (TM). The procedure seems to be simple and safe; however, occasionally, serious complications may occur. To eliminate the risk of such events, we have introduced a modified cut-down method (MCDM). METHODS:The study included the analysis of retrospective results of 143 CTC removal procedures, 76 of which were performed using the standard cut-down method (CDM), and in 67 cases, the modified cut-down method (MCDM) was applied. RESULTS:As minor side effects occurred in patients treated with both methods with comparable frequency, serious complications were observed only in the CDM patients group. CONCLUSIONS:In our opinion, the new MCDM procedure is the simplest and safest method of CTC removal.

SUBMITTER: Porazko T

PROVIDER: S-EPMC7246895 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Tunnelled Haemodialysis Catheter Removal: An Underappreciated Problem, Not Always Simple and Safe.

Porazko Tomasz T Hobot Jacek J Ziembik Zbigniew Z Klinger Marian M

International journal of environmental research and public health 20200427 9

<h4>Background</h4>Optimal care of patients treated with a central tunneled catheter (CTC) as vascular access for hemodialysis requires a number of procedures. One of them is CTC removal, usually carried out using mostly the cut-down method (CDM) and the traction method (TM). The procedure seems to be simple and safe; however, occasionally, serious complications may occur. To eliminate the risk of such events, we have introduced a modified cut-down method (MCDM).<h4>Methods</h4>The study include ...[more]

PMID: 32349262

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Project description:OBJECTIVE:To describe the clinimetric validation of the I-DECIDED tool for peripheral intravenous catheter assessment and decision-making. DESIGN AND SETTING:I-DECIDED is an eight-step tool derived from international vascular access guidelines into a structured mnemonic for device assessment and decision-making. The clinimetric evaluation process was conducted in three distinct phases. METHODS:Initial face validity was confirmed with a vascular access working group. Next, content validity testing was conducted via online survey with vascular access experts and clinicians from Australia, the UK, the USA and Canada. Finally, inter-rater reliability was conducted between 34 pairs of assessors for a total of 68 peripheral intravenous catheter (PIVC) assessments. Assessments were timed to ensure feasibility, and the second rater was blinded to the first's findings. Content validity index (CVI), mean item-level CVI (I-CVI), internal consistency, mean proportion of agreement, observed and expected inter-rater agreements, and prevalence-adjusted bias-adjusted kappas (PABAK) were calculated. Ethics approvals were obtained from university and hospital ethics committees. RESULTS:The I-DECIDED tool demonstrated strong content validity among international vascular access experts (n=7; mean I-CVI=0.91; mean proportion of agreement=0.91) and clinicians (n=11; mean I-CVI=0.93; mean proportion of agreement=0.94), and high inter-rater reliability in seven adult medical-surgical wards of three Australian hospitals. Overall, inter-rater reliability was 87.13%, with PABAK for each principle ranging from 0.5882 ('patient education') to 1.0000 ('document the decision'). Time to complete assessments averaged 2?min, and nurse-reported acceptability was high. CONCLUSION:This is the first comprehensive, evidence-based, valid and reliable PIVC assessment and decision tool. We recommend studies to evaluate the outcome of implementing this tool in clinical practice. TRIAL REGISTRATION NUMBER:12617000067370.

Project description:BackgroundTunnelled pleural catheters used to treat malignant pleural effusions may achieve pleurodesis. We aimed to identify factors associated with higher pleurodesis rates and earlier catheter removal.MethodsWe retrospectively reviewed a prospective database of tunnelled pleural catheters inserted consecutively between May 2006 and June 2013 for confirmed malignant pleural effusion. The cohort included patients who underwent medical thoracoscopy. Clinical, radiologic and pleural fluid data were recorded. We used logistic regression and Cox regression to assess rates of and days to pleurodesis, respectively.ResultsWe analyzed data for 1071 tunnelled pleural catheters in 956 patients. Increased rates of pleurodesis were associated with lymphoma (odds ratio [OR] 3.49, 95% confidence interval [CI] 1.93-6.33), ovarian cancer (OR 2.93, 95% CI 1.68-5.11), Eastern Cooperative Oncology Group Scale of Performance Status grade 2 or less (OR 2.79, 95% CI 1.79-4.34), medical thoracoscopy (OR 2.21, 95% CI 1.28-3.85), protein level (OR 1.03, 95% CI 1.01-1.06), albumin level (OR 1.07, 95% CI 1.03-1.12) and percent eosinophils (OR 1.04, 95% CI 1.00-1.07). Reduced rates of pleurodesis were associated with gastrointestinal cancers (OR 0.41, 95% CI 0.19-0.87), hydropneumothorax on the postdrainage chest radiograph (OR 0.62, 95% CI 0.41-0.94) and percent other cells on cell count (OR 0.98, 95% CI 0.97-0.99). Earlier pleurodesis was associated with ovarian cancer (hazard ratio [HR] 1.48, 95% CI 1.06-2.08), medical thoracoscopy (HR 1.45, 95% CI 1.10-1.92), protein level (HR 1.03, 95% CI 1.01-1.04) and percent eosinophils (HR 1.02, 95% CI 1.00-1.04). Delayed pleurodesis was associated with breast cancer (HR 0.61, 95% CI 0.46-0.81), hydropneumothorax with 80% or less lung expansion (HR 0.55, 95% CI 0.38-0.80) and percent other cells (HR 0.99, 95% CI 0.98-1.00).InterpretationClinicians should consider numerous factors to predict the probability of and timing to pleurodesis with tunnelled pleural catheters.

Project description:Catheter-related bloodstream infection (CRBSI) results in significant attributable morbidity and mortality. In this randomized, double-blind, placebo-controlled trial, we studied the efficacy and safety of a daily ethanol lock for the prevention of CRBSI in patients with a tunnelled central venous catheter (CVC).From 2005 through 2008, each lumen of the CVC of adult hematology patients was locked for 15 minutes per day with either 70%-ethanol or placebo, where after the lock solution was flushed through. As a primary endpoint, the incidence rates of endoluminal CRBSI were compared.The intent-to-treat analysis was based on 376 patients, accounting for 448 CVCs and 27,745 catheter days. For ethanol locks, the incidence of endoluminal CRBSI per 1000 CVC-days was 0.70 (95%-CI, 0.4-1.3), compared to 1.19 (95% confidence interval, 0.7-1.9) for placebo (incidence rate-ratio, 0.59; 95% confidence interval, 0.27-1.30; P = .19). For endoluminal CRBSI according to the strictest definition (positive hub culture and identical bacterial strain in blood), a 3.6-fold, non-significant, reduction was observed for patients receiving ethanol (2 of 226 versus 7 of 222; P = .103). No life-threatening adverse events were observed. More patients receiving ethanol discontinued lock-therapy (11 of 226 versus 1 of 222; P = .006) or continued with decreased lock-frequency (10 of 226 versus 0 of 222; P = .002), due to non-severe adverse events.In this study, the reduction in the incidence of endoluminal CRBSI using preventive ethanol locks was non-significant, although the low incidence of endoluminal CRBSI precludes definite conclusions. Therefore, the lack of statistical significance may partially reflect a lack of power. Significantly more patients treated with ethanol locks discontinued their prophylactic treatment due to adverse effects, which were non-severe but reasonably ethanol related. Additional studies should be performed in populations with higher incidence of (endoluminal) CRBSI. Alternative sources of bacteremia, like exoluminal CRBSI or microbial translocation during chemotherapy-induced mucositis may have been more important in our patients.ClinicalTrials.gov NCT00122642.

Dataset Information

Tunnelled Haemodialysis Catheter Removal: An Underappreciated Problem, Not Always Simple and Safe.

Publications

Tunnelled Haemodialysis Catheter Removal: An Underappreciated Problem, Not Always Simple and Safe.

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