Araştırma Çıktıları

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    Cardiac Tamponade as a Life-Threatening Complication of Laparoscopic Antireflux Surgery: The Real Incidence and 3D Anatomy of a Heart Injury by Helical Tacks
    (MARY ANN LIEBERT, INC, 2018-01-01) Yerdel, Mehmet Ali; Sen, Ozan; Zor, Utku; Kara, Simay; Acunas, Bulent
    Background: Cardiac tamponade (CT) is a dreadful complication of laparoscopic antireflux surgery (LARS) with unknown incidence, and preventive measures are yet to be defined. Incidence during LARS with respect to usage/configuration of graft deployment is analyzed. Three-dimensional (3D) analysis of tack distribution provided anatomical insight to prevent cardiac injury. Materials and Methods: Data regarding the usage and configuration of graft deployment are retrieved from the prospective database. Grafting was posterior or posterior + anterior. Incidence of CT in all hiatoplasties is calculated. Tomography is reconstructed in 3D, showing the spatial distribution of the tacks. Tacks are numbered in the surgical video. Corresponding numbering is applied to the tacks in any particular tomography slice, utilizing the 3D images as an interface. A numbering-blinded radiologist is asked to identify the offending and the nonoffending tacks as the cause of tamponade. Tack-to-pericardium distances are recorded. Tacks having no measurable distance from the pericardium are regarded as offensive. Results: One CT occurred in 1302 consecutive LARS (0.076\%). The incidence is 0\% when no (379) or posterior (880) graft is used as opposed to 2.3\% rate in posterior + anterior (43) grafting. The distribution of offensive, nonoffensive but nearest, and safe tacks followed a pattern. All offensive tacks belonged to the anterior graft fixation, which we referred as the critical zone. Conclusion: CT during LARS is rare, and associated with graft fixation anterior to the hiatal opening. Avoiding graft fixation to the critical zone may prevent cardiac injury.
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    Management of Mechanical Problems of Totally Implantable Venous Catheters
    (MARMARA UNIV, INST HEALTH SCIENCES, 2020-01-01) Kara, Halil; Arikan, Akif Enes; Dulgeroglu, Onur; Uras, Cihan
    Objective: Although the most common complications of totally implantable venous catheters(TIVC) are infection and thrombosis, mechanical complications can also affect the treatment and cause catheter removal. This study aimed to investigate mechanical complications of TIVC and prevention methods. Methods: Data of 983 procedures in 961patients who underwent TIVC implantation between 2010 and 2019 in AcibademMaslak, Bakirkoy, and Atakent Hospitals were retrospectively analyzed for mechanical complications. Results: Mechanical complications were encountered in 33(3.3\%) cases: 12(1.2\%) were detachment of TIVC, 8(0.8\%) occlusions, 5(0.5\%) pneumothorax, 1(0.1\%) hemothorax, 1(0.1\%) malposition, 1(0.1\%) extravasation, 2(0.2\%) TIVC rotation, 3(0.3\%) skin necrosis and extrusions. Conclusion: The catheter tip should be placed in distal superior vena cava, reservoir pocket must be sufficient in size, reservoir should be fixed to pectoral muscle or fascia at least two points with nonabsorbable sutures. Subcutaneous fatty tissue resection from reservoir pocket should be performed in obese patients. The nature of the withdrawn blood form Seldinger needle should be checked visually whether venous or not. Risk of pneumothorax and detachment can be reduced by inserting the catheter from 1/3 outer part of the clavicle during percutaneous technique. While complication rate can be reduced by peroperative fluoroscopy use, control X-ray should be taken in symptomatic patients, not routinely. Malposition can be seen in the peroperative period and can usually be corrected by good manipulation. Percutaneous transcatheter retrieval in addition to surgery is the gold standard treatment for detachment of TIVC. The most important factors in preventing complications are surgical experience and good care.