Researcher:
Gündoğmuş, Cemal Aydin

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Doctor

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Cemal Aydin

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Gündoğmuş

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Gündoğmuş, Cemal Aydin

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20233

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Researcher Of Publications: search.filters.isAuthorOfPublication.4222d65c-8b97-45dd-943d-52e331e4afba

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    A rare complication after an interventional procedure using the common carotid: carotid pseudoaneurysm in an infant
    (Cambridge University Press (CUP), 2023) N/A; Biçer, Mehmet; Kızılkaya, Mete Han; Ödemiş, Ender; Gündoğmuş, Cemal Aydin; Faculty Member; Doctor; Faculty Member; Doctor; School of Medicine; N/A; School of Medicine; N/A; Koç University Hospital; 310599; N/A; 194545; N/A
    The carotid artery is a valuable vascular access that can be used in patients who have undergone repetitive interventional and surgical procedures and premature babies. In the past, cut-down was used but nowadays, mostly the procedure is performed under ultrasonographic guidance. Complications such as bleeding, haematoma, and pseudoaneurysm may occur when the carotid artery is used as a vascular access for the procedures such as aortic balloon valvuloplasty, coarctation balloon angioplasty, or after interventional or surgical treatments to the carotid artery. Although pseudoaneurysm is very rare, prompt diagnosis and accurate treatment planning are life-saving. In this article, the diagnosis and treatment of pseudoaneurysm in the left common carotid after transcatheter coarctation balloon angioplasty in a 6-month-old infant will be presented.
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    The effect of smoking cessation on the technical success of endovascular treatment for thromboangiitis obliterans
    (Elsevier Inc., 2023) Gündoğmuş, Cemal Aydin; Samadli, Vugar; Sorkun, Mine; Oğuzkurt, Levent; Doctor; Doctor; Researcher; Faculty Member; N/A; N/A; School of Medicine; School of Medicine; Koç University Hospital; Koç University Hospital; N/A; N/A; 327628; 13559
    Purpose: To show that smoking cessation improves the technical success of lower extremity endovascular treatment in patients with thromboangiitis obliterans (TAO). Materials and Methods: One hundred two patients with TAO who underwent endovascular treatment for chronic limb-threatening ischemia or severe claudication of lower extremities in a tertiary hospital between 2015 and 2022 were included in this retrospective study. Data on serum cotinine levels were available for the last 45 patients, and 38 patients constituted the study population. Per the institution's protocol, patients were instructed to quit smoking 15 days before the intervention. However, cotinine levels showed that some of the patients continued smoking. Technical and recanalization successes were assessed as the primary end points. The secondary end point was the improvement in Rutherford scores at the 1-month follow-up. The McNemar test was used to compare the proportion of recanalized arteries after the intervention. Results: Thirty-seven men and 1 woman (mean age, 42.9 years ± 10.1) were evaluated. The overall technical success rate was 86.8% in the study group. The technical success rate was significantly higher in the nonsmoker group (n = 24 [96%]) than in the smoker group (n = 8 [61.5%]; P = .006). One-month clinical data were available for 100% of the patients. The Rutherford category of the nonsmoker group was significantly lower at the 1-month follow-up. In addition, the Wilcoxon signed-rank test revealed lower Rutherford scores after the intervention in the nonsmoker group. The adverse event rate was 8%. One (2.7%) patient in the smoker group underwent a minor amputation. Conclusions: Cessation of smoking before endovascular therapy improved technical success and recanalization rates in patients with TAO.
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    Safety and efficacy of flow diverter stents in the treatment of middle cerebral artery aneurysms: a single-center experience and follow-up data
    (Turkish Society of Radiology, 2023) Soydemir, Efe; Türeli, Derya; Baltacıoğlu, Nurten Andaç; Bayri, Yaşar; Baltacıoğlu, Feyyaz; Gündoğmuş, Cemal Aydin; Doctor; N/A; Koç University Hospital; N/A
    PURPOSE: This study aims to evaluate the safety and efficacy of flow diverters (FDs) in the treatment of middle cerebral artery (MCA) aneurysms and share the follow-up (F/U) results. METHODS: The treatment and F/U results of 76 MCA aneurysms treated with the flow re-direction endoluminal device (FRED), FRED Jr., and pipeline embolization device (PED) FD stents were evaluated retrospectively. The aneurysm occlusion rates were compared between FDs, and the integrated and jailed branches were evaluated through follow-ups. The oversizing of the stent was compared between occluded/non-occluded aneurysms and integrated branches. RESULTS: The mean F/U duration was 32 ± 6.3 months, and the mean aneurysm diameter was 4.45 mm. A total of 61 (80.3%) aneurysms were wide-necked; 73 (96.1%) were saccular; 52 (68.4%) were located at the M1 segment; and 36 (45.6%) FREDs, 23 (29.1%) FRED Jr.s, and 19 (24.1%) PEDs were used for treatment. The overall occlusion rates for the 6-, 12-, 24-, 36-, and 60-month digital subtraction angiographies were 43.8%, 63.5%, 73.3%, 85.7%, and 87.5% respectively. The last F/U occlusion rates were 67.6% for FRED, 66.7% for PED, and 60.6% for FRED Jr. (P = 0.863). An integrated branch was covered with an FD during the treatment of 63 (82.8%) aneurysms. A total of six (10%) of the integrated branches were occluded without any symptoms at the last F/U appointment. The median oversizing was 0.45 (0-1.30) for occluded aneurysms, and 0.50 (0-1.40) for non-occluded aneurysms (P = 0.323). The median oversizing was 0.70 (0.45-1.10) in occluded integrated branches and 0.50 (0-1.40) in non-occluded branches (P = 0.131). In-stent stenosis was seen in 22 (30.1%) of the stents at the 6-month F/U and in only 2 (4.7%) at the 24-month F/U. Thus, none of the patients had any neurological deficits because of the in-stent stenosis. Severe in-stent stenosis was seen in two stents. CONCLUSION: MCA aneurysms tend to be complex, with integrated branches and potentially wide necks. FD stents are safe and effective in the treatment of MCA aneurysms, and the patency of the side and jailed branches is preserved in most cases. Higher occlusion and lower in-stent stenosis rates are seen with longer F/U durations.