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https://www.readbyqxmd.com/read/28531363/beneficial-effect-of-enriched-air-nitrox-on-bubble-formation-during-scuba-diving-an-open-water-study
#1
Anne-Kathrin Brebeck, Andreas Deussen, Ursula Range, Costantino Balestra, Sinclair Cleveland, Jochen D Schipke
Bubble formation during scuba diving might induce decompression sickness. This prospective randomised and double-blind study included 108 advanced recreational divers (38 females). Fifty-four pairs of divers, 1 breathing air and the other breathing nitrox28 undertook a standardised dive (24 ± 1 msw; 62 ± 5min) in the Red Sea. Venous gas bubbles were counted (Doppler) 30-<45 min (early) and 45-60 min (late) post-dive at jugular, subclavian and femoral sites. Only 7% (air) vs. 11% (air28®) (n.s.) were bubble-free after a dive...
May 21, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28523170/a-comparison-of-longitudinal-and-transverse-approaches-to-ultrasound-guided-axillary-vein-cannulation-by-experienced-operators
#2
Yi-Zhou He, Ming Zhong, Wei Wu, Jie-Qiong Song, Du-Ming Zhu
BACKGROUND: The axillary vein is an easily accessible vessel that can be used for ultrasound-guided central vascular access and offers an alternative to the internal jugular and subclavian veins. The objective of this study was to identify which transducer orientation, longitudinal or transverse, is better for imaging the axillary vein with ultrasound. METHODS: We analyzed 236 patients who had undergone central venous cannulation of axillary vein in this retrospective study...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28515611/malposition-of-the-central-venous-catheter-a-diagnostic-dilemma
#3
Sameer N Desai, Santosh K Dasar, V Mithali
A 50-year-old male was admitted to Intensive Care Unit with head and chest injury needed multiple central venous catheter (CVC) for the long-term intravenous access. Right internal jugular vein was cannulated uneventfully, and the tip of CVC was confirmed in the chest radiograph along the right border of the mediastinum. After few days, left subclavian vein was cannulated and the procedure was uneventful. However, the postprocedure Chest X-ray showed the CVC along the left border of mediastinum rather than the right border...
April 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28507633/deep-vein-thrombosis-in-upper-limb-in-a-weightlifter
#4
Montserrat Pérez Pinar, Regina Pastor Toledo, Luis Broseta Viana, Julián Solís García Del Pozo
AIM: We report an unusual case of a male weightlifter with upper extremity venous thrombosis. CASE PRESENTATION: Thrombosis affecting subclavian-axillo-humeral venous trunk produced by the compression of these veins by the trained muscles of the shoulder girdle (Paget-Schroetter syndrome) has been reported. During the study, a renal carcinoma was detected. Renal carcinoma has rarely been associated with thrombosis in the upper extremities. CONCLUSION: This case shows the importance of performing a complete study to rule out malignancies in patients with unusual venous thromboembolism...
April 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28489757/ultrasound-guided-catheterization-of-the-left-subclavian-vein-without-recognition-of-persistent-left-superior-vena-cava-a-case-report
#5
Sun Young Park, Jae Hwa Yoo, Mun Gyu Kim, Sang Ho Kim, Byoung-Won Park, Hong Chul Oh, Hojoon Kim
RATIONALE: A persistent left superior vena cava (PLSVC) is rare, but the most common thoracic venous anomaly. We report a case of PLSVC unrecognized during left subclavian vein catheterization using real-time ultrasound-guided supraclavicular approach. PATIENT CONCERNS: A 79-year-old man with history of hypertension presented with traumatic subdural hemorrhage, subarachnoid hemorrhage, and epidural hemorrhage. Before the operation, a central venous catheter (CVC) was placed into the left subclavian vein...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28484651/surgical-repair-of-subacute-right-ventricular-perforation-after-pacemaker-implantation
#6
Takeshi Oda, Takanori Kono, Keiichi Akaiwa, Yasushi Takahara, Chie Yasuoka, Katsuhiko Nakamura
We report an 84-year-old woman who presented with right ventricular perforation 4 days after pacemaker implantation for syncope due to sick sinus syndrome. Median sternotomy revealed no pericardial effusion, but the pacing lead had penetrated the right ventricle and pericardium. When the pleura was opened, the tip of the lead was seen in the visceral pleura. The lead was cut in the pericardial cavity and extracted from the left subclavian wound together with the generator. The right ventricular perforation was sutured and a temporary pacing lead was placed on the right ventricular wall intraoperatively...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28473028/-consequences-of-a-misplaced-central-venous-catheter
#7
Daniel Meier Gleesborg, Svend Erik Heiselberg, Ole Brink
Central venous catheter (CVC) is useful for prolonged intravenous treatment, but not without risk. This is a case report of a 21-year-old male with a rare incident of CVC misplacement from the right subclavian vein to the left. The misplacement caused severe discomfort and possibly secondary thrombosis (VT) of deep cervical veins. The CVK was removed, and the patient was treated with rivaroxaban for three months, which made him recover without sequelae. VT, due to CVC, can cause a potentially life-threatening pulmonary embolism...
April 24, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28469489/sternocostoclavicular-hyperostosis-an-insufficiently-recognized-clinical-entity
#8
Taro Sugase, Tetsu Akimoto, Hidenori Kanazawa, Atsushi Kotoda, Daisuke Nagata
A 79-year-old male chronic hemodialysis patient with no history of central venous catheterization was referred to our hospital with progressive swelling of the left upper limb ipsilateral to a forearm arteriovenous fistula. Radiological assessments revealed marked hyperostosis in the ribs, sternum, and clavicles with well-developed ossification of the sternocostoclavicular ligaments. Such characteristic structural abnormalities and our failure to identify the left subclavian vein with contrast material despite the abundant dilated collaterals in the left shoulder area encouraged us to diagnose our patient with sternocostoclavicular hyperostosis (SCCH) complicated by central vein obstruction...
2017: Clinical Medicine Insights. Arthritis and Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28462650/mechanical-complications-of-central-venous-catheterisation-in-trauma-patients
#9
J Odendaal, V Y Kong, B Sartorius, T Y Liu, Y Y Liu, D L Clarke
INTRODUCTION Central venous catheterisation (CVC) is a commonly performed procedure in a wide variety of hospital settings and is associated with appreciable morbidity. There is a paucity of literature focusing on mechanical complications specifically in the trauma setting. The aim of our study was to determine the spectrum of mechanical complications in a high-volume trauma centre in a developing world setting where ultrasound guidance was not available. METHODS A retrospective study was performed analysing data from a four-year period at the Pietermaritzburg Metropolitan Trauma Service in South Africa...
May 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/28462645/spontaneous-central-venous-thrombosis-and-shunt-occlusion-following-peritoneovenous-shunt-placement-for-intractable-ascites
#10
D Hariharan, E A Wilkes, G P Aithal, S J Travis, D N Lobo
A 43-year-old man had a peritoneovenous shunt inserted for the treatment of chylous ascites secondary to myelofibrosis. Despite being on anticoagulation for superior mesenteric vein thrombosis, he developed shunt dysfunction within two weeks of insertion. Superior venacavography showed multiple filling defects in the right axillary vein, no filling of the right brachiocephalic and right subclavian vein, and thrombotic occlusion of the internal jugular veins bilaterally. The shunt was removed 11 days after insertion, and there was extensive thrombosis of the venous end of the shunt and the compressible pump chamber...
May 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/28458311/thrombosis-in-an-internal-jugular-vein-and-an-upper-limb-deep-vein-treated-with-edoxaban
#11
Mizuho Toratani, Akiko Hayashi, Naoki Nishiyama, Hidehiko Nakamura, Ryuji Chida, Takaaki Komatsu, Shiro Nakahara, Sayuki Kobayashi, Isao Taguchi
A 45-year-old man complained of swelling of the left side of his neck and left upper limb. Ultrasonography and enhanced computed tomography (CT) revealed thrombosis of the left internal jugular, subclavian, and brachiocephalic vein. Based on various examinations, the patient was diagnosed with idiopathic venous thrombosis early in his clinical course. There were no findings to suggest malignancy or abnormal coagulability. However, two months after the start of treatment, the patient was diagnosed with gastric cancer...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28443287/brachial-approach-as-an-alternative-technique-of-fibrin-sheath-removal-for-implanted-venous-access-devices
#12
Charalampos Sotiriadis, Steven David Hajdu, Francesco Doenz, Salah D Qanadli
Implanted venous access device (IVAD) late dysfunction is commonly caused by fibrin sheath formation. The standard method of endovascular fibrin sheath removal is performed via the femoral vein. However, it is not always technically feasible and sometimes contraindicated. Moreover, approximately 4-6 h of bed rest is necessary after the procedure. In this article, we describe an alternative method of fibrin sheath removal using the brachial vein approach in a young woman receiving chemotherapy for breast cancer...
2017: Frontiers in Surgery
https://www.readbyqxmd.com/read/28441238/diaphragm-activation-in-ventilated-patients-using-a-novel-transvenous-phrenic-nerve-pacing-catheter
#13
Steven Reynolds, Adrian Ebner, Tracy Meffen, Viral Thakkar, Matt Gani, Kaity Taylor, Linda Clark, Gautam Sadarangani, Ramasamy Meyyappan, Rodrigo Sandoval, Elizabeth Rohrs, Joaquín A Hoffer
OBJECTIVES: Over 30% of critically ill patients on positive-pressure mechanical ventilation have difficulty weaning from the ventilator, many of whom acquire ventilator-induced diaphragm dysfunction. Temporary transvenous phrenic nerve pacing using a novel electrode-bearing catheter may provide a means to prevent diaphragm atrophy, to strengthen an atrophied diaphragm, and mitigate the harms of mechanical ventilation. We tested the initial safety, feasibility, and impact on ventilation of this novel approach...
April 22, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28431056/long-term-outcome-of-transvenous-pacemaker-implantation-in-infants-a-retrospective-cohort-study
#14
Laura M Vos, Janneke A E Kammeraad, Matthias W Freund, Andreas C Blank, Johannes M P J Breur
Aim: Evaluation of long-term outcome of transvenous pacemaker (PM) implantation in infants. Methods and Results: A retrospective analysis of all transvenous PM implantations in infants <10 kg between September 1997 and October 2001 was made. Indications for PM implantation, age at implantation, and determinants of long-term outcome including cardiac function, PM function, and PM (system) complications were noted. Seven patients underwent transvenous VVI(R) PM implantation...
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28405091/ambulatory-extracorporeal-membrane-oxygenation-with-subclavian-venoarterial-cannulation-to-increase-mobility-and-recovery-in-a-patient-awaiting-cardiac-transplantation
#15
Samuel Jacob, Juan C MacHannaford, Themistokles Chamogeorgakis, Gonzalo V Gonzalez-Stawinski, Joost Felius, Aldo E Rafael, Rajasekhar S Malyala, Brian Lima
Venoarterial extracorporeal membrane oxygenation (ECMO) can provide temporary cardiopulmonary support for patients in hemodynamic extremis or refractory heart failure until more durable therapies-such as cardiac transplantation or a left ventricular assist device-can be safely implemented. Conventional ECMO cannulation strategies commonly employ the femoral artery and vein, constraining the patients to the supine position for the duration of ECMO support. We have recently adopted a modified cannulation approach to promote patient mobility, rehabilitation, and faster recovery and to mitigate complications associated with femoral arterial cannulation, such as limb ischemia and compartment syndrome...
April 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28398556/prognosis-associated-with-redo-cardiac-resynchronization-therapy-following-complete-device-and-lead-extraction-due-to-device-related-infection
#16
Martin Seifert, Viviane Moeller, Anita Arya, Thomas Schau, Frank Hoelschermann, Christian Butter
Aims: An increase in the number of cardiac resynchronization therapy (CRT) device implantations worldwide has led to a consequent increase in the number of infections associated with the device, making extraction of the CRT device inevitable. Redo CRT implantation after treatment and recovery following device extraction is challenging. This study aimed to evaluate the success rate, complications, and long-term prognosis of redo CRT implantation, including the rates of subclavian, cava, and coronary sinus (CS) vein thrombosis as well as re-infection...
April 6, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28376682/insertion-of-a-totally-implantable-venous-access-port-in-a-patient-with-persistent-left-superior-vena-cava-plsvc
#17
Julie Van Walleghem, Sofie Depuydt, Stijn Schepers
Persistent left superior vena cava (PLSVC) is a rare congenital variant, but it is the most common venous thoracic malformation, occurring in 0.3-0.5% of the general population. PLSVC is caused by the persistence of the embryological left anterior cardinal vein which normally obliterates and persists as the Marshall ligament. We present the case of a 74-year-old male lung cancer patient, who already underwent an uncomplicated right-hand sided pacemaker insertion in 2006. During implantation of a subcutaneous central venous access port through puncture of the left subclavian vein, a PLSVC was discovered...
April 5, 2017: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/28367009/trauma-patients-warrant-upper-and-lower-extremity-venous-duplex-ultrasound-surveillance
#18
Alonso Andrade, Alan H Tyroch, Susan F McLean, Jody Smith, Alex Ramos
BACKGROUND: Due to the high incidence of thromboembolic events (deep venous thrombosis [DVT] and pulmonary embolus [PE]) after injury, many trauma centers perform lower extremity surveillance duplex ultrasounds. We hypothesize that trauma patients are at a higher risk of upper extremity DVTs (UEDVTs) than lower extremity DVTs (LEDVTs), and therefore, all extremities should be evaluated. MATERIALS AND METHODS: A retrospective chart and trauma registry review of Intensive Care Unit trauma patients with upper and LEDVTs detected on surveillance duplex ultrasound from January 2010 to December 2014 was carried out...
April 2017: Journal of Emergencies, Trauma, and Shock
https://www.readbyqxmd.com/read/28359216/revisiting-ultrasound-guided-subclavian-axillary-vein-cannulations
#19
Mourad H Senussi, Phani C Kantamneni, Ali Omranian, Mani Latifi, Tarik Hanane, Eduardo Mireles-Cabodevila, Neal F Chaisson, Abhijit Duggal, Ajit Moghekar
The Centers for Disease Control and Prevention guidelines for the prevention of catheter-related bloodstream infections suggest using "a subclavian site, rather than an internal jugular or a femoral site, in adult patients." This recommendation is based on evidence of lower rates of thrombosis and catheter-related bloodstream infections in patients with subclavian central venous catheters (CVCs) compared to femoral or internal jugular sites. However, preference toward a subclavian approach to CVC insertion is hindered by increased risk of mechanical complications, especially pneumothorax, when compared to other sites...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28356671/brachial-plexus-compression-due-to-subclavian-artery-pseudoaneurysm-from-internal-jugular-vein-catheterization
#20
T N Mol, A Gupta, U Narain
Internal jugular vein (IJV) catheterization has become the preferred approach for temporary vascular access for hemodialysis. However, complications such as internal carotid artery puncture, vessel erosion, thrombosis, and infection may occur. We report a case of brachial plexus palsy due to compression by right subclavian artery pseudoaneurysm as a result of IJV catheterization in a patient who was under maintenance hemodialysis.
March 2017: Indian Journal of Nephrology
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