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Difficulties with tunneling of the cuffed catheter: a single-centre experience.

ABSTRACT: Tunneling of the cuffed catheter for hemodialysis is an important part of insertion procedure with faulty techniques being the cause of catheter dysfunctions. We retrospectively analyzed 737 double-lumen cuffed catheter procedures between 2008 and 2015 in patients aged 60?±?15years, requiring renal replacement therapy. Complications of tunneling included kinking, bleeding and other problems. In 20 of 737 (2.7%) procedures, the catheter kinked, which was observed in 7.7% of silicone and 0.6% of polyurethane catheters. Repositioning was attempted in 4, but was successful in only 2 cases. Catheter exchange was necessary in 16 cases, but the function was adequate in 2 cases, despite radiological signs of kinking. In 6 cases (1 patient with diabetes, 2 with chest anatomy changes and medical devices, 2 with systemic sclerosis and 1 with greatly enlarged superficial jugular veins) we faced particular difficulties requiring an individual solution by tunneling; these are described in detail. The cumulative catheter patency rate were 69%, 52% and 37% at 3, 6 and 12 months, respectively. In conclusion, the most frequent complication of tunneling was kinking, usually necessitating catheter exchange. The silicon catheter kinked more often than the polyurethane one. An individual approach is sometimes needed by patients with diabetes and anatomical changes of the chest.

SUBMITTER: Golebiowski T

PROVIDER: S-EPMC5820247 | biostudies-literature | 2018 Feb

REPOSITORIES: biostudies-literature

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Difficulties with tunneling of the cuffed catheter: a single-centre experience.

Gołębiowski Tomasz T Kusztal Mariusz M Letachowicz Krzysztof K Garcarek Jerzy J Porażko Tomasz T Penar Jan J Krajewska Magdalena M Weyde Wacław W Klinger Marian M

Scientific reports 20180220 1

Tunneling of the cuffed catheter for hemodialysis is an important part of insertion procedure with faulty techniques being the cause of catheter dysfunctions. We retrospectively analyzed 737 double-lumen cuffed catheter procedures between 2008 and 2015 in patients aged 60 ± 15years, requiring renal replacement therapy. Complications of tunneling included kinking, bleeding and other problems. In 20 of 737 (2.7%) procedures, the catheter kinked, which was observed in 7.7% of silicone and 0.6% of p ...[more]

PMID: 29463817

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Project description:AimTo describe the neuroradiological changes in patients with coronavirus disease 2019 (COVID-19).Materials and methodsA retrospective review was undertaken of 3,403 patients who were confirmed positive for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, and admitted to Queen Elizabeth Hospital Birmingham, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK between 1 March 2020 and 31 May 2020, and who underwent neuroimaging. Abnormal brain imaging was evaluated in detail and various imaging patterns on magnetic resonance imaging MRI were identified.ResultsOf the 3,403 patients with COVID-19, 167 (4.9%) had neurological signs or symptoms warranting neuroimaging. The most common indications were delirium (44/167, 26%), focal neurology (37/167, 22%), and altered consciousness (34/167, 20%). Neuroimaging showed abnormalities in 23% of patients, with MRI being abnormal in 20 patients and computed tomography (CT) in 18 patients. The most consistent neuroradiological finding was microhaemorrhage with a predilection for the splenium of the corpus callosum (12/20, 60%) followed by acute or subacute infarct (5/20, 25%), watershed white matter hyperintensities (4/20, 20%), and susceptibility changes on susceptibility-weighted imaging (SWI) in the superficial veins (3/20, 15%), acute haemorrhagic necrotising encephalopathy (2/20, 10%), large parenchymal haemorrhage (2/20, 10%), subarachnoid haemorrhage (1/20, 5%), hypoxic-ischaemic changes (1/20, 5%), and acute disseminated encephalomyelitis (ADEM)-like changes (1/20, 5%).ConclusionVarious imaging patterns on MRI were observed including acute haemorrhagic necrotising encephalopathy, white matter hyperintensities, hypoxic-ischaemic changes, ADEM-like changes, and stroke. Microhaemorrhages were the most common findings. Prolonged hypoxaemia, consumption coagulopathy, and endothelial disruption are the likely pathological drivers and reflect disease severity in this patient cohort.

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Difficulties with tunneling of the cuffed catheter: a single-centre experience.

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Difficulties with tunneling of the cuffed catheter: a single-centre experience.

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