Inadvertent anastomosis of internal mammary artery to great cardiac vein: a rare complication of coronary artery bypass surgery.
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ABSTRACT:
SUBMITTER: Puri R
PROVIDER: S-EPMC2801931 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:BackgroundValdoni technique involves leaving the mucosa layer, between the two anastomosed bowel tract intact, providing for a subsequent breakage of the intestine. It is a technique that allows you to keep the operating field clean.Surgical technique and Case Report: We describe the Valdoni technique. We also report a case of 75 years old man affected by an ascending colon cancer with no metastasis. The patient underwent right hemicolectomy. Making the anastomose, the surgeon did the Valdoni technique, with no intraoperative complications.The postoperative course was characterized by an abdominal pain with swollen abdomen, no flatus and vomit. A computed tomography (CT) revealed a sub-stenosis of the anastomose. We decided to do an urgent colonoscopy, with a resection of the mucosa layer not totally opened, using a Needle-knife Precut. The post procedure course was uneventful. The patient was discharged three days later.ConclusionValdoni technique allows the surgeon to keep the operating field clean. It is a valid alternative when the surgeons have to make a colonic anastomosis, doing open surgery.
| S-EPMC6612045 | biostudies-literature
Project description:BACKGROUND:Where each patient has all three conduits of internal mammary artery (IMA), saphenous vein graft (SVG) and radial artery (RA), most confounders affecting comparison between conduits can be mitigated. Additionally, since SVG progressively fails over time, restricting patient angiography to the late period only can mitigate against early SVG patency that may have occluded in the late period. METHODS:Research protocol driven conventional angiography was performed for patients with at least one of each conduit of IMA, RA and SVG and a minimum of 7?years postoperative. The primary analysis was perfect patency and secondary analysis was overall patency including angiographic evidence of conduit lumen irregularity from conduit atheroma. Multivariable generalized linear mixed model (GLMM) was used. Patency excluded occluded or "string sign" conduits. Perfect patency was present in patent grafts if there was no lumen irregularity. RESULTS:Fifty patients underwent coronary angiography at overall duration postoperative 13.1?±?2.9, and age 74.3?±?7.0?years. Of 196 anastomoses, IMA 62, RA 77 and SVG 57. Most IMA were to the left anterior descending territory and most RA and SVG were to the circumflex and right coronary territories. Perfect patency RA 92.2% was not different to IMA 96.8%, P?=?0.309; and both were significantly better than SVG 17.5%, P?<?0.001. Patency RA 93.5% was also not different to IMA 96.8%, P?=?0.169, and both arterial conduits were significantly higher than SVG 82.5%, P?=?0.029. Grafting according to coronary territory was not significant for perfect patency, P?=?0.997 and patency P?=?0.289. Coronary stenosis predicted perfect patency for RA only, P?=?0.030 and for patency, RA, P?=?0.007, and SVG, P?=?0.032. When both arterial conduits were combined, perfect patency, P?<?0.001, and patency, P?=?0.017, were superior to SVG. CONCLUSIONS:All but one patent internal mammary artery or radial artery grafts had perfect patency and had superior perfect patency and overall patency compared to saphenous vein grafts.
| S-EPMC7092416 | biostudies-literature
Project description:Pseudoaneurysms are among very rare complications of maxillofacial trauma. When encountered, they have the potential to cause life-threatening hemorrhage. A wise surgeon should consider the possibility of underlying aneurysm even if the classic sign of pulsatile mass is not present. The role of interventional radiology is immaculate in the management of these aneurysms.
| S-EPMC3820730 | biostudies-other
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| S-EPMC8276319 | biostudies-literature
Project description:The aim of this study was to assess the pattern of the adoption of internal mammary artery (IMA) grafting in the United States, test its association with clinical outcomes, and assess whether its effectiveness differs in key clinical subgroups.The effect of IMA grafting on major clinical outcomes has never been tested in a large randomized trial, yet it is now a quality standard for coronary artery bypass graft (CABG) surgery.We identified Medicare beneficiaries ≥66 years of age who underwent isolated multivessel CABG between 1988 and 2008, and we documented patterns of IMA use over time. We used a multivariable propensity score to match patients with and without an IMA and compared rates of death, myocardial infarction (MI), and repeat revascularization. We tested for variations in IMA effectiveness with treatment × covariate interaction tests.The IMA use in CABG rose slowly from 31% in 1988 to 91% in 2008, with persistent wide geographic variations. Among 60,896 propensity score-matched patients over a median 6.8-year follow-up, IMA use was associated with lower all-cause mortality (adjusted hazard ratio: 0.77, p < 0.001), lower death or MI (adjusted hazard ratio: 0.77, p < 0.001), and fewer repeat revascularizations over 5 years (8% vs. 9%, p < 0.001). The association between IMA use and lower mortality was significantly weaker (p ≤ 0.008) for older patients, women, and patients with diabetes or peripheral arterial disease.Internal mammary artery grafting was adopted slowly and still shows substantial geographic variation. IMA use is associated with lower rates of death, MI, and repeat coronary revascularization.
| S-EPMC3947230 | biostudies-other
Project description:Pancreatic ductal injury is rare during choledochal cyst excision. Most cases present in the immediate postoperative period with pancreatic fistula or acute pancreatitis are managed conservatively. But, inadvertent ligation of the main pancreatic duct with subsequent recurrent pancreatitis and upstream dilatation of the pancreatic duct requiring a pancreatic ductal drainage operation has not been reported in the English literature. A 23-year-old female patient presented with recurrent episodes of upper abdominal pain for about 16 months. She had a history of type-1 choledochal cyst excision 18 months back. She was evaluated with abdominal ultrasound and magnetic resonance cholangiopancreatography (MRCP). MRCP showed hugely dilated main pancreatic duct with normal hepaticojejunostomy anastomosis. There was no residual cyst. MRCP findings were suggestive of stricture of the main pancreatic duct due to previous surgery. Endoscopic pancreatic ductal decompression failed. The patient was treated successfully with pancreaticogastrostomy. Postoperative recovery was uneventful. The patient was well at 24-month follow-up.
| S-EPMC4425752 | biostudies-literature
Project description:Internal carotid artery (ICA) injury following transsphenoidal surgery is a rare but potentially fatal complication. Usually, endovascular occlusion of the ICA or stent graft placement is the treatment of these vascular complications described in literature. We present a case of ICA perforation during transsphenoidal surgery in a patient with limited collateral cerebral blood flow and with ectasia of the ICA that rule out an endovascular treatment. We report the surgical revascularization via high-flow extra-intracranial radial artery bypass and consicutive artery ligation.
| S-EPMC4520998 | biostudies-other
Project description:BackgroundInternal herniation of small intestine in the lesser pelvis alongside iliac vasculature is a rare occurrence. Skeletonization of iliac vessels during pelvic lymph node dissection (LND), as part of surgical staging or treatment of patients with uterine, ovarian or urogenital cancer, is a strict prerequisite for orifice formation.Case presentationA 68-year-old woman presented at the emergency department with complaints of constipation for the last 3 days and acute-onset abdominal pain, nausea and vomiting since few hours. She had a history of laparoscopic hysterectomy, bilateral salpingo-oophorectomy and para-aortic and pelvic LND 7 years ago. A distended abdomen with diffuse tenderness on palpation was noted. A CT scan demonstrated bowel obstruction secondary to an incarcerated hernia underneath an elongated right external iliac artery. During an emergency exploratory laparotomy, the incarcerated bowel was reduced and the hernial orifice closed with a running suture. The patient had an uneventful postoperative period and was discharged on the fifth postoperative day.DiscussionThis rare internal hernia can manifest with non-specific symptoms of small bowel obstruction at any given point after index surgery, sometimes even after several years free of complaints. Contrast-enhanced computed tomography is the method of choice for fast and reliable diagnosis and helps in planning the necessary emergency laparotomy.ConclusionThis life-threatening complication adds to the current controversy of pelvic and para-aortic lymphadenectomy in patients with endometrial cancer. Primary closure of peritoneal defects should be considered to potentially prevent internal hernias, especially when elongated iliac vessels are present.
| S-EPMC7524845 | biostudies-literature
Project description:Congenitally absent internal carotid artery with intercavernous anastomosis is an exceedingly rare vascular anomaly. We report such a case in a 65-year-old man with chronic symptoms resembling sporadic transient ischemic attacks. While these patients are usually asymptomatic due to compensatory collateralization, they are at increased risk of aneurysm formation, and thus proper identification is important. This report serves as both a case of a very rare anomaly and as a lesson on how to avoid this misdiagnosis by carotid duplex sonography. Additionally, we review the limited number of published cases of congenitally absent internal carotid artery with intercavernous anastomosis.
| S-EPMC6562185 | biostudies-literature
Project description:The internal mammary vessels (IMA/Vs) have been used as the first-choice recipient vessels for microsurgical anastomosis and flap inset in autologous breast reconstruction owing to their ease of access and use compared with the thoracodorsal vessels (TDA/Vs). Herein, we report two cases of deep inferior epigastric perforator flap breast reconstructions in which the recipient internal mammary vein (IMV) was lacking. In the first case, a 50-year-old patient underwent delayed two-stage reconstruction, and in the second, a 45-year-old patient underwent delayed reconstruction because of capsular contracture following breast implant reconstruction. Neither patient received preoperative radiation therapy. During IMA/V preparation, we could not find the internal mammary vein (IMV) around the internal mammary artery (IMA) despite careful dissection. No internal mammary lymph node adenopathy and vascular encasement from metastasis were noted. Intraoperative indocyanine green angiography revealed absence of IMV, which was presumed to be congenital. Therefore, microsurgical anastomosis was performed to connect the deep inferior epigastric vessels to the thoracodorsal vessel. The postoperative course was uneventful in both cases. Although many anatomical studies have revealed different locations, diameters, branching patterns, and perforators of the IMA/V, absent IMV has been reported very rarely. In autologous breast reconstruction, plastic surgeons should be prepared for the possibility of the absence of IMV.
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