Cases reported "Colitis, Ischemic"

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1/33. A case of idiopathic deep vein thrombosis improved with glucocorticoid therapy.

    A healthy, middle-aged Japanese man with no family history of thrombotic disorders presented with acute abdominal pain due to ischemic colitis. Two months later, he developed left leg pain and swelling. A venogram of the lower limbs, computed tomography, and a scintigram of pulmonary blood flow revealed deep vein thrombosis of the left lower limb extending to the inferior vena cava and emboli of both pulmonary arteries with bilateral pleural effusions. The responsible coagulation disorder was not detected in this case. Since these thrombi were refractory to the thrombolytic therapy with urokinase and anticoagulant therapy with warfarin, prednisolone was chosen for the suppression of accompanying thrombophlebitis. Two months following the initiation of prednisolone (20 mg/day), the venous thrombosis, abnormal pulmonary shadows, and pleural effusions had completely resolved. This case demonstrates the successful treatment of idiopathic venous and pulmonary thrombosis with glucocorticoids.
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2/33. Ischemic colitis associated with pseudoephedrine: four cases.

    OBJECTIVE: There is one previously reported case linking ischemic colitis and orally administered nasal decongestants containing pseudoephedrine (medline 1974-1998). We aimed to document an association between pseudoephedrine ingestion and ischemic colitis. methods: We reviewed the cases of four women (ages, 37-50 yr) who presented with the sudden onset of colicky abdominal pain followed by hematochezia. Three patients had used medicine containing pseudoephedrine daily for approximately 1 wk before admission. The fourth patient had used pseudoephedrine chronically for 6 months. Two patients had no significant past medical history. One woman had presented 6 months earlier with ischemic colitis while taking both pseudoephedrine and hormone replacement therapy. This time she presented with ischemic colitis while not taking hormone replacement therapy, but still taking decongestants. Another woman had a history of ulcerative colitis, which had been quiescent for 10 yr. One patient had been a smoker; however, like the other patients she had no evidence of systemic vascular disease. On colonoscopy, all four patients had colitis, primarily affecting the splenic flexure in the anatomical watershed area. Other causes of segmental colitis, including infectious colitides, pseudomembranous colitis, and Crohn's disease, were not evident. Colonoscopic biopsies were consistent with ischemic injury. RESULTS: All cases responded to abstinence from pseudoephedrine and medical supportive therapy. None has had a relapse since discontinuing the pseudoephedrine (8-12 months). CONCLUSIONS: The vasoconstrictive action of pseudoephedrine may predispose susceptible patients to develop ischemic colitis in the watershed area of the splenic flexure. Perimenopausal women may be especially susceptible because of irregular ovulation. This may result in relative vasoconstriction when estrogen levels are low or a hypercoagulable state when estrogen levels are excessive.
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3/33. Cecal necrosis: infrequent variant of ischemic colitis. Report of five cases.

    PURPOSE: Spontaneous nonocclusive ischemic colitis involving only the right colon is an infrequent occurrence. Because this problem is less recognized than its counterpart involving the left colon, the correct diagnosis may not be considered. The purpose of this article was to describe the presentation and management of this unusual clinical problem. methods: Five cases of nonocclusive ischemic cecal necrosis are described. Four of the patients presented with right-sided abdominal pain, tenderness, and leukocytosis. The preoperative diagnosis was incorrect in all patients, although cecal necrosis was considered in one. Two patients were thought to have. appendicitis, two were thought to have carcinoma, and one was thought to have a perforated viscus. Each patient underwent a right hemicolectomy and four survived. RESULTS: Each of the patients had ischemic cecal necrosis without evidence of emboli or vasculitis. Although cecal gangrene may occur after systemic hypotension, no such event preceded these patients' presentation. We believe that the patients we treated had a form of nonocclusive ischemic colitis, which occasionally affects only the right colon. CONCLUSION: Ischemic necrosis of the cecum is an infrequent variant of ischemic colitis that should be considered in the differential diagnosis of the elderly patient presenting with right lower quadrant pain.
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4/33. Idiopathic enterocolic lymphocytic phlebitis: a rare cause of ischemic colitis.

    We report on a 74-year-old female patient who was admitted to the hospital because of abdominal pain. She underwent a colonoscopy and a stenosing mass was found in the cecum. Histologic findings in the biopsy specimens were consistent with ischemic colitis. Due to clinical symptoms and the endoscopic and radiologic findings that roused the suspicion that the patient was suffering from a malignant tumor, a right hemicolectomy was performed. histology of the resection specimen disclosed an inflammation of the veins. It was characterized by a predominantly lymphocytic infiltration of the vessels affecting the veins of the colonic wall and the mesentery. Furthermore, secondary thrombosis with focal venous occlusion was observed. The colon showed extensive ischemic colitis with focal transmural coagulation necrosis. The disease was considered to be idiopathic lymphocytic phlebitis, which is a rare disease of unknown origin. Our patient is well and alive after more than 1 year, supporting the notion that the disease shows a benign course after surgery.
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5/33. cocaine-associated ischemic colitis.

    cocaine use can result in various gastrointestinal complications, including gastric ulcerations, retroperitoneal fibrosis, visceral infarction, intestinal ischemia, and gastrointestinal tract perforation. We report cocaine-associated colonic ischemia in three patients and review the literature. Including ours, 28 cases have been reported, with a mean patient age of 32.6 years (range, 23 to 47 years); 53.5% were men and 46.5% were women. The interval between drug ingestion and onset of symptoms varied from 1 hour to 2 days. cocaine is a potentially life-threatening cause of ischemic colitis and should be included in the differential diagnosis of any young adult or middle-aged patient with abdominal pain and bloody diarrhea, especially in the absence of estrogen use or systemic disorders that can cause thromboembolic events, such as atrial fibrillation.
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6/33. Rare complications of endoscopic retrograde cholangiopancreatography: two case reports.

    BACKGROUND: Endoscopic retrograde cholangiopancreatography (ERCP) is a diagnostic procedure with several known risks. We present two rarely reported complications of ERCP and sphincterotomy: transverse mesocolon disruption with ischemic colitis and splenic rupture. RESULTS: The first patient, a 54-year-old female, presented one day following ERCP and stent revision for pancreas divisum. She presented with hypotension and abdominal distention. An abdominal computed tomography (CT) showed a ruptured spleen, which was confirmed on laparotomy. She had a complicated postoperative course and died of multiple organ failure. The second patient is a 56-year-old female who presented five days after ERCP and sphincterotomy with abdominal pain, abdominal wall ecchymosis, and decreasing hematocrit. Her evaluation included hospital admission and abdominal CT scan, which showed free fluid and a large hematoma in the transverse mesocolon. These findings were confirmed on laparotomy and a devascularized segment of bowel was resected. CONCLUSION: Only 6 cases of ERCP-related splenic injury have been reported in the literature. One additional report is available of a fatal splenic artery injury. No previous reports exist of a mesenteric hematoma resulting in bowel devascularization. Prompt evaluation and awareness of potential complications should help capture potentially life-threatening sequelae of ERCP.
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7/33. Ischemic colitis associated with paclitaxel.

    Systemic chemotherapy can be complicated by colonic toxicity, which usually determines the onset of pseudomembranous colitis and, rarely, of ischemic colitis in patients with cancer. This report describes the case of a 49-year-old woman with liver metastases from a neuroendocrine tumor of unknown origin who developed mild ischemic colitis after chemotherapy with carboplatin and paclitaxel. The patient developed symptoms of gastrointestinal toxicity with abdominal pain and bloody diarrhea, which resolved in about 10 days. She had a normal white blood cell count throughout her illness; the assay of stool specimens for clostridium difficile toxins and the stool cultures were both negative. A sigmoidoscopy showed a mild, transient ischemic colitis, which was confirmed by pathologic examination of the biopsy specimens. Although carboplatin is not related to severe colonic cytotoxicity, it has been previously reported that paclitaxel induces necrosis of the gastrointestinal mucosa and inhibits angiogenesis. Pseudomembranous colitis is the most frequent complication in patients with cancer who undergo paclitaxel-based chemotherapy and develop gastrointestinal toxicity. Once C. difficile infection has been excluded, a diagnosis of ischemic colitis should be considered, especially in patients with cancer who have normal white blood cell counts.
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8/33. Recurrent giant longitudinal duodenal ulcer with massive hemorrhage in a helicobacter pylori-negative patient.

    A 67-year-old man, in whom a linear ulcer running from the duodenal bulb to the descending part had been noted 3 years previously, was admitted to our hospital because of abdominal pain and melena. duodenoscopy revealed a bleeding giant longitudinal ulcer, which was more extensive than before. Tests for Helicobacter pylori (Hp) were negative. The ulcer was cured by endoscopic hemostasis and repeated blood transfusions. attention must be paid to Hp-negative post-bulbar duodenal ulcers because of the frequent complications including hemorrhage.
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9/33. Ischemic colitis caused by strict dieting in an 18-year-old female: report of a case.

    Ischemic colitis is typically limited to elderly patients who have concomitant disorders such as cardiovascular disease and chronic renal failure, but rarely affects a young person. The patient was an 18-year-old Japanese female who started dieting to obtain a slim figure three months before admission and presented with a two-month history of constipation and a sudden onset of lower abdominal pain and bloody diarrhea. She underwent colonoscopy, which revealed edema, hemorrhages, and several longitudinal shallow ulcers in the descending colon. Stool and blood culture results were negative for pathogens. She improved rapidly within five days without any specific therapies except intravenous hydration and anticholinergic agents, under the diagnosis of ischemic colitis. In this case constipation and dehydration associated with dieting seemed to be responsible for the development of ischemic colitis. We recommend that ischemic colitis should be included in the differential diagnosis of colitis with bleeding, even in patients younger than age 20 who do not have any predisposing factors.
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10/33. Mesenteric phlebosclerosis: a new disease entity causing ischemic colitis.

    PURPOSE: Nonthrombotic stenosis or occlusion of the mesenteric veins is a rare cause of intestinal ischemia. The aim of this study was to describe a new disease entity causing chronic ischemic colitis. methods: Seven patients were diagnosed as having mesenteric phlebosclerosis. All seven patients had calcifications in the small mesenteric veins and their intramural branches. No evidence of vasculitis or portal hypertension was recognized. None of the patients had a history of gastrointestinal disease or of prolonged drug use. We report clinical, laboratory, radiographic, endoscopic, and histopathologic findings. RESULTS: Clinical findings included abdominal pain and diarrhea of a gradual onset and chronic course. A positive fecal occult blood test and mild anemia were often found. The patients had linear calcifications and stenosis in the right colon, which were discovered by plain abdominal radiography and barium enema, respectively. Endoscopic findings included edematous, dark colored mucosa and ulcerations. Four patients underwent a subtotal colectomy because of persistent abdominal pain or ileus. The histopathologic findings were macroscopically characterized by a dark purple or dark brown colored colonic surface, the swelling and disappearance of plicae semilunares coli, and marked thickening of the colonic wall, while they were microscopically characterized by marked fibrous thickening of the venous walls with calcifications, marked submucosal fibrosis, deposition of collagen in the mucosa, and foamy macrophages within the vessel walls. CONCLUSIONS: These peculiar lesions have not previously been fully described. The cause and pathogenesis still remain unknown. We conclude that such lesions represent a new clinicopathologic disease entity and propose the term "idiopathic mesenteric phlebosclerosis."
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