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Query: UMLS:C0036690 (sepsis)
 59,461 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

An unusual manifestation of a large bowel ischemia was observed in two patients. Both had a left flank tubular fluid collection demonstrated respectively by computed tomography (CT) and ultrasonography (US). At surgery, pyocolon (i.e. ischemic, dilated large bowel segments filled with pus) was discovered and resected. Pyocolon should be suspected in patients with ischemic colitis and sepsis. US, although useful, may be misleading; CT is the investigation of choice to establish the diagnosis.
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PMID:Pyocolon: an unusual manifestation of colon ischemia. 297 Oct 65

The capacity of filgrastim to reduce the myelotoxicity of a 16-week intensive chemotherapy regimen has been investigated in 24 operable breast cancer patients with > or = 10 metastatic axillary nodes. Five patients were treated with chemotherapy alone (control group); 19 patients were treated with chemotherapy and filgrastim, 5 microg/kg/day s.c. Six patients in the latter group were treated from day 4 to day 7 (level 1), seven from day 10 to day 13 (level 2), and six from day 4 to day 7 and day 10 to day 13 (level 3). A total of 135 courses were administered: neutropenia was the most severe toxicity, and the prophylactic use of filgrastim does not reduce its severity. Moreover, the dose intensities of antiblastic drugs actually received by the patients were not significantly different in the four study groups. Among the patients treated at level 3, there were three toxic deaths: one patient died because of febrile neutropenia and sepsis, two patients because of ischemic colitis. At a median follow-up of 15 months, 17 patients were alive, and 15 patients were disease free. The use of filgrastim does not ameliorate myelotoxicity and does not allow the administration of the planned doses of antiblastic drugs of a 16-week intensive chemotherapy regimen.
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PMID:Filgrastim and lack of support of intensive adjuvant chemotherapy for high-risk breast cancer patients. 912 94

A case of intestinal perforation associated with SLE is presented. A 54-year-old woman was diagnosed as having SLE twenty-five years ago when she had facial erythema, photosensitivity, oral aphtha, polyarthraliga, leukopenia, positive LE cell and positive antinuclear antibody. She had been treated with prednisolone and admitted to Kushiro City General Hospital because of one month history of fever and anorexia in February 1996. Laboratory findings did not reveal activity of SLE, and a diagnosis of urinary tract infection was made based on the findings of urinalysis. After severe diarrhea, disseminated intravascular coagulation (DIC) developed. A rectal perforation was revealed by endoscopic and radiological examination. An emergency laparotomy revealed necrosis of the rectum and sigmoidostomy was performed. The biopsied specimen of the rectum were diagnosed as gangrene of ischemic colitis histologically. Because of a penetration to the urinary bladder, an ureterocutaneostomy was performed. She died of sepsis and DIC on the 127th day of admission. Only 11 cases of intestinal perforation associated with SLE have been reported in Japan, and the association of vasculitis has been considered. In the present case, the prolonged use of prednisolone might cause the necrotizing ischemic colitis.
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PMID:[A case of systemic lupus erythematosus developed with intestinal perforation]. 972 61

A 54-year-old male was admitted to Kawasaki Medical School Hospital with the complaint of fever. His diagnosis of hypoplastic leukemia had been made one year ago. After the admission, cecal mass with pain and high fever were noted. Four days later, he suddenly lost consciousness and died. Aeromonas hydrophila was isolated from blood cultures and also from the myofascitis specimen. Autopsy specimen of the iliopsoas muscle showed necrotizing myofascitis. The specimen obtained from the cecum showed submucosal hemorrhage with edema and these findings were compatible to ischemic colitis. This pathogen is widely distributed in nature, especially in water fields. Therefore, it would be advised to consider the Aeromonas hydrophila as one of the pathological organisms pathognomonic for the septicemia, when one may see febrile and gastrointestinal symptoms in a patient with hematological malignancies.
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PMID:[Aeromonas hydrophila septicemia with necrotizing myofascitis in a patient with hypoplastic leukemia]. 1056 25

In adults, toxic megacolon is a relatively uncommon but potentially lethal complication of inflammatory bowel disease (IBD), infectious colitis, or ischemic colitis caused by cancer chemotherapeutic agents. Patients have distension of the colon and signs of toxicity such as elevated temperature, hypotension, decreased level of consciousness and electrolyte imbalances. Factors thought to increase the risk include premature discontinuation of IBD medications; procedures that increase colon trauma, such as barium enema and colonoscopy; medications that decrease gastrointestinal motility; and electrolyte imbalances, especially hypokalemia. Differential diagnosis is made based on the patient's history and results of stool cultures and assay for Clostridium difficile toxin. Medical management in the intensive care unit includes careful monitoring, fluid volume and electrolyte replacement, bowel rest and decompression, antibiotic therapy, and cessation of medications that slow gastric motility. Surgical management may be necessary if there are signs of deterioration, perforation, hemorrhage, or sepsis.
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PMID:Toxic megacolon: diagnosis and treatment challenges. 1086 33

Newer, minimally invasive catheter-based endovascular technology utilizing stent grafts are currently being evaluated for abdominal aortic aneurysm (AAA) repair. A retrospective review of all (3 years) consecutive, non-ruptured elective AAA repairs was undertaken to document the results of AAA surgical repair in a modern cohort of patients to allow a contemporary comparison with the evolving endoluminal data. One hundred twenty-one AAAs were identified in a male veteran population. Mean age was 68.5 +/-7.7 years. Medical history review showed hypertension in 55%, heart disease in 73.5%, peripheral vascular disease in 21%, stroke and transient ischemic attacks in 22%, diabetes mellitus in 7%, renal insufficiency in 10%, and smoking history in 80%. The AAA size was documented with ultrasound (5.2 +/-1.3 cm, n=40) and computed tomography (5.6 +/-1.3 cm, n=100). Fifty-nine percent had angiography. Intraoperative end points included an operative time of 165 +/-6.3 minutes from incision to dressing placement. A Dacron tube graft was used in 78%, the remaining were Dacron bifurcated grafts. A suprarenal clamp was used in 8% for proximal aortic control with juxtarenal aneurysms. A pulmonary-artery catheter was placed in 69%. A transverse incision was used in 69% of patients and a midline incision was used in the rest. Estimated blood loss was 1505 +/-103 mL; cell saver blood returned 754 +/-53 mL; crystalloid/Hespan 4771 +/-176 mL; banked packed red blood cells 0.75 +/-0.11 U. Time to extubation was, in the operating room (78.5%), on the day of the operation (5.0%), postoperative day (POD) 1 (12.4%), POD2 (1.7%), POD3 (0.8%), and one case was performed with epidural anesthesia only. Postoperative end points included a 30-day mortality rate of 1.6% (two patients). Postoperative morbidity included wound dehiscence 0.8%; sepsis, urinary tract infection, wound infection, leg ischemia, ischemic colitis, and stroke each had an incidence of 1.6%; myocardial infarction, congestive heart failure, pneumonia, re-operation for suspected bleeding, and ileus or bowel obstruction occurred with an incidence of 3.3%. No significant increase in serum creatinine levels was noted. Time to enteral fluids/nutrition was 3.5 +/-0.08 days. Patients were out of bed to a chair or walking by 1.3 +/-0.06 days postoperatively. The length of stay in the intensive care unit (ICU) was 2.0 +/-0.12 days and postoperative hospital stay was 6.6 +/- 0.33 days. Transfusion requirement for the hospital stay was 1.6 +/-0.2 U per patient. This review highlights a cohort of male veteran patients with significant cardiac co-morbidity who have undergone repair with a conventional open technique and low mortality and morbidity rates. This group had rapid extubation, time to oral intake, and ambulation. In addition, ICU and hospital stays were relatively short.
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PMID:Abdominal aortic aneurysm repair. 1156 37

Non-occlusive mesenteric ischaemia is characterized by gastrointestinal ischaemia with normal vessels. In gastroenterology it is recognized as rare disease occasionally causing acute bowel infarction or ischaemic colitis. From intensive care literature this disorder is recognized as an early phenomenon during circulatory stress. This early mucosal ischaemia then leads to increased permeability, bacterial translocation, and further mucosal hypoperfusion. The damage is produced mainly during reperfusion following ischaemia with fresh inflow of oxygen and outflow of waste products into the systemic circulation. The mechanisms underlying non-occlusive mesenteric ischaemia include macrovascular vasoconstriction, hypoperfusion of the tips of the villi and shunting. It is very common in critically ill and perioperative patients, but also occurs in pancreatitis, renal failure and sepsis. Treatment options include aggressive fluid resuscitation and careful choice of vasoactive drugs. Control of reperfusion damage and new endothelin-antagonists are potentially useful new treatment options.
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PMID:Non-occlusive mesenteric ischaemia: a common disorder in gastroenterology and intensive care. 1276 7

Intestinal hypoperfusion is among the factors implicated in sepsis and multiorgan failure. Splanchnic blood flow may be sacrificed to maintain supply to vital organs, even when hemodynamic alterations are minor. The sensitivity of invasive hemodynamic monitoring for detecting intestinal hypoperfusion is low. This paper aims to review current knowledge about indirect measurement of splanchnic perfusion by way of gastrointestinal tonometry. We review the pathophysiology of ischemic intestinal lesions, the basis for gastrointestinal tonometry, and the method. Finally we discuss clinical applications (early diagnosis of ischemic colitis and ischemia of the flap after esophageal reconstruction, weaning from mechanical ventilation, abdominal compartment syndrome, liver transplant, heart surgery, prognostic factors and care of the critically ill patient). An adequate understanding of this monitoring technique and management of information it provides can give an early warning of the intestinal hypoperfusion that precedes other serious systemic complications.
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PMID:[Gastrointestinal tonometry: a new tool for the anesthesiologist]. 1460 68

Well known complications related to cocaine use are myocardial insufficiency, myocardial infarction, myocarditis, aortic dissection, neurologic damages, ischemic colitis, thrombotic phenomenons, renal infarction and acute liver failure. Cases of splenic infarctions related to cocaine use are extremely rare. A 17-year-old drug addict was found by her boy-friend liveless in her bed. She was well known using cocaine since years. Autopsy revealed multiple splenic infarctions with secondary mixed bacterial infection and abscesses. Petechial bleedings were found and microabscesses in the myocardium, the meninges and the kidneys. The absolutely rare bacterial infection of the cocaine-associated splenic infarction leads to sepsis with lethal course.
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PMID:Cocaine-associated abscesses with lethal sepsis after splenic infarction in an 17-year-old woman. 1501 62

Acute ischemia of the rectum is uncommon and usually occurs after aorto-iliac surgery. In this report, we present a case of acute ischemic proctosigmoiditis that developed from a brief episode of hypotension. An 85-year-old male presented to the emergency room with hypotension, mental confusion, and passage of maroon-colored stool. He was resuscitated and treated for presumed sepsis. Computerized tomography of the abdomen and pelvis displayed signs of acute inflammation of the distal colon and rectum. Endoscopic findings and microscopic examination of the rectal biopsy revealed changes consistent with acute ischemic proctosigmoiditis. An evaluation for infectious etiologies was negative. The patient's clinical condition improved over the next 24 h with supportive care. Involvement of the rectum is rare in ischemic colitis because of its abundant collateral blood supply. Acute ischemic proctosigmoiditis should be considered in the differential diagnosis of elderly patients with multiple co-morbidities presenting with hematochezia.
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PMID:An unusual case of hematochezia: acute ischemic proctosigmoiditis. 1852 89


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