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 31,184 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Sixteen cases of lactic acidosis are reported: 7 phenformin treated diabetes, 5 cardiovascular diseases (2 myocardial infractions, 2 pulmonary embolisms, 1 heart failure). In 2 patients no etiology was found. Concomittant renal failure or liver diseases were found in respectively 9 and 4 cases. Patients presented the usual criteria of lactic acidosis: clinical, polypnea, severe hypotension (9/16), peripheral symptoms of shock (12/16), hypothermia (9/16), abdominal pain (9/16): biologically, acidosis (pH = 6,99 +/- 0,01, HCO3- = 5,9 +/- 1,5 mmol), hyperlactatemia (14,1 +/- 3,6 mmol/l) with hig lactate/pyruvate ratio (105 +/- 73), and anion gap (24,3 +/- 4,2 mmol/l). Sodium bicarbonate infusion was performed in all cases (2,5 to 42 mmol/kg). Few cases required volhemic expansion or furosemid induced diuresis. One patient was treated with extrarenal dialysis. 13 patients were alkalinised with less than 185% of estimated deficit measured from alkalin reserve: 12 died. 3 patients received 185% more than this deficit, associated with furosemid (1,8 to 12,5 mg/kg): only one patient died ten days after by casual disease, with lactatemia of 3,2 mmol/l. In spite of the small number of patients, these findings suggest that an early and massive alkalinisation, with large doses of furosemid, can improve the severe lactic acidosis prognosis.
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PMID:[Lactic acidosis and intensive care. 16 cases (author's transl)]. 23 77

An analysis of postmortem investigations between 1980 and 1985 revealed 43 patients with acute pancreatitis. In 13 (30.2%) of them, the diagnosis was first established at autopsy. In eight of the latter patients, the diagnosis could have been present on admission. The etiology was alcoholism in three patients, hypothermia in one, biliary tract disease in one, and unknown in three patients. In five patients, acute pancreatitis developed after gastric, pancreatic, or biliary tract surgery. Abdominal pain was present in only one patient. Amylase levels had been estimated in 11 patients, but the level was in the diagnostic range (greater than or equal to 3 times of upper normal level) in only four. Consequently, ultrasound examination was performed in only two of the latter four patients, but failed to show the pancreas because of intestinal gas. To diagnose acute pancreatitis at an earlier stage and to improve therapy and prognosis, we recommend that serum amylase levels be measured and ultrasound examination be performed. If the results are inconclusive, this should be followed by computed tomography for all abdominal emergency cases and for patients who have undergone cardiopulmonary or upper abdominal surgery, especially when the patients deteriorate or fail to improve postoperatively.
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PMID:Undetected fatal acute pancreatitis: why is the disease so frequently overlooked? 180 1

In the attempt to correlate clinical findings with serum levels of aldrin, sixteen patients were followed-up after acute intoxication by this agent. Eight of them, males and females, aged from 1 to 37 years, presented no or light symptoms (some discomfort and nausea). The serum of one of these patients was found to contain 16.6 ppb of aldrin and that of another, 1.41 ppb of dieldrin. A group of five patients, aged from two to 30 years, showed symptoms of moderate severity, reporting nausea, vomiting, drowsiness, dyspnea, sweating, mild jerking, rise in blood pressure and convulsions. Of these cases, two were accidental and three were attempted suicides, the majority achieving complete recovery within 24 hours. Serum levels of aldrin were between 6.98 ppb and 26.3 ppb and of dieldrin between 82.00 and 314.18 ppb. We found three severe cases, aged from 21 to 35 years, two attempted suicides and one occupational case. Two of these patients died and one of them presented hypothermia, coma, absence of reflexes and generalized convulsions, and another presented abdominal pain, paleness, sweating, cold extremities, dyspnea, hyperthermia and generalized convulsions. In the first one that died the serum levels were: of aldrin 30.00 ppb and of dieldrin 720 ppb. In the other levels of 747.3 ppb of aldrin and 1,314.00 ppb of dieldrin were found. The third had less serious symptoms and presented serum levels of aldrin of 31.05 ppb and of dieldrin 147.11 ppb.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:[Acute poisoning by aldrin: relationship between serum levels and toxic effects in humans]. 221 74

A series is presented of 83 patients surgically explored for massive bowel infarction. Old men with previous heart disease and symptoms of peripheral atherosclerosis were primarily affected. Clinical presenting features were abdominal pain (100 per cent), peritonitis (57 per cent), shock (34 per cent) and hypothermia (26 per cent). A third-space syndrome with metabolic acidosis and uraemia was the most common physiological derangement. Age was the only factor that appeared to have influenced the surgeon's decision to perform massive bowel resection (71 years in non-resected versus 64 years in resected patients, P less than 0.006). The overall mortality rate was 71 per cent. Forty-four patients underwent massive bowel resection (mean length of remaining small bowel 60 +/- 40 cm) and twenty-four (54 per cent) survived the procedure. Axillary temperature was higher in survivors (36.7 degrees C versus 36.1 degrees C, P less than 0.03). Early postoperative total plasma protein and albumin concentrations were also higher in survivors (57 versus 46 g/l, P less than 0.005; 27 versus 22 g/l, P less than 0.02). Patients with previous symptoms of atherosclerotic disease and high pre-operative blood urea levels also had a bad prognosis. Survivors had a mean hospital stay of 57 days and parenteral nutrition had to be maintained for a mean of 34 days. The survival rate achieved with massive resection justifies this surgical approach in selected patients with massive bowel infarction.
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PMID:Mesenteric infarction: an analysis of 83 patients with prognostic studies in 44 cases undergoing a massive small-bowel resection. 339 20

A 48-year-old woman with a known history of hypothyroidism was admitted to the intensive care unit with a diagnosis of thyroid storm secondary to acute thyroid hormone poisoning and the possible hyperfunction of a singular thyroid nodule. Her clinical manifestations included pyrexia, tachycardia, tachypnea, hypertension, RUQ abdominal pain, psychotic behavior, and pharyngitis. She was successfully treated with sodium iodide, PTU, propranolol, antibiotics, and a hypothermia mattress, with her serum T4 level returning to normal range prior to discharge. The patient was discharged 9 days after admission in good medical health with no medication. This article clearly shows that the functions of the endocrine system remain a frontier in today's medicine. With research, perhaps one day we might fully understand the intricate pathophysiology that results in thyroid storm. The potential problem format has been utilized in the development of the nursing care plan to assist the nurse with identifying and defining her patient's problems, as well as directing her assessment and nursing intervention. As more is learned about thyroid storm, nurses should update their knowledge so that they will be prepared to care for the patient with these difficult nursing problems.
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PMID:Thyroid storm--a nursing crisis. 655 51

Of 427 human immunodeficiency virus-seropositive patients admitted to the Robert Wood Johnson University Hospital from January 1986 through August 1992, seven had Clostridium difficile enteric infection documented by the presence of cytotoxin B in the stool, without other enteric infection. All seven patients had AIDS, and all had recently received antibiotics. These patients had a severe clinical presentation of C. difficile infection. All patients had profound watery diarrhea, with a mean of 20 +/- 14 (SD) bowel movements per day. Four had fever > 38.5 degrees C, and another had hypothermia. Three patients had borderline hypotension, and another was orthostatic. The mean pulse was 119 +/- 26 (SD) beats/min. Five patients had abdominal pain and tenderness. Two had occult blood in the stool. Four had metabolic derangements such as hyponatremia, hypokalemia, or prerenal azotemia. Three of four patients undergoing abdominal roentgenography had radiographic findings consistent with severe colitis of colonic dilation, mural thumbprinting, or mural thickening. Sigmoidoscopic findings ranged from diffuse erythema to prominent pseudomembranes. During a mean interval of 14.3 +/- 6.2 (SD) days before institution of specific antibiotic therapy, the diarrhea spontaneously resolved in only one of the seven patients. In the others, the diarrhea resolved on average 7.3 +/- 4.0 (SD) days after instituting antibiotic therapy. During a mean follow-up of 4.4 +/- 6.3 (SD) months, only two patients redeveloped diarrhea. Both patients had recurrent C. difficile colitis; the symptoms again rapidly resolved after repeat antibiotic therapy. We conclude that in patients with AIDS C. difficile may present as a severe enteric infection with profound diarrhea due to immunosuppression, that the diarrhea may be prolonged and not remit spontaneously, and that the diarrhea usually rapidly resolves with specific antibiotic therapy.
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PMID:Clostridium difficile infection is a treatable cause of diarrhea in patients with advanced human immunodeficiency virus infection: a study of seven consecutive patients admitted from 1986 to 1992 to a university teaching hospital. 850 86

This study examined whether the 8 weeks of initial medical training and 9 d re-certification every 3 yr given to Canadian Forces (CF) Search and Rescue Technicians (SAR Techs) was satisfactory. The course content was compared with 272 held medical case documents for the period 1990-93, inclusive. This practical medical care data showed a predominance of trauma rescue cases: 35% were life threatening conditions and 65% were non-life threatening conditions. They ranged from trauma, chest pain, abdominal pain, hypothermia, diabetic insulin overdose to stroke and gynecological bleeding. Of the life-threatening cases, 32% needed advanced treatment skills and 15% of the non-life threatening cases needed advanced treatment skills. It was concluded that the content of the initial and re-certification medical training was satisfactory as long as immediate transport to a specialist medical center was possible.
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PMID:A review of Canadian Forces Search and Rescue Technician medical training and operations, 1990-93. 872 79

An 18-year-old white woman had nausea, vomiting, weight loss, and a diagnosis of anorexia nervosa. Copper-colored skin was noted on physical examination, and serum chemistry values were normal. Subsequent fever, disorientation, and confusion led to the discovery of Addison's disease, which responded well to corticosteroid replacement therapy. Addisonian and anorexic patients exhibit clinical similarities, including nausea, vomiting, weight loss, abdominal pain, cold intolerance, hypothermia, and orthostasis. Other commonalities include prolongation of electrocardiographic PR and QT intervals and generalized slowing on electroencephalogram. Important differences include a brown color to the skin in Addison's disease instead of a yellowish color in anorexia. Addisonian patients also display hypocortisolism, hypoglycemia, and hyperkalemia, in contrast to the hypercortisolism, hyperglycemia, and hypokalemia seen in anorexia.
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PMID:Prompt differentiation of Addison's disease from anorexia nervosa during weight loss and vomiting. 949 78

In clinical medicine, severe keto- or lactic acidosis associated with vomiting, nausea, abdominal pain, tachycardia or pathological respiration, has been described in chronic alcoholics. This study reports on fatalities of chronic alcoholics where the cause of death could not be determined by thorough autopsy, histology and toxicology including determination of alcohol concentration. In a first series, acetone was determined in the blood of such chronic alcoholics (n = 24), diabetics with metabolic decompensation (n = 7), cases of hypothermia (n = 7) and controls (n = 218). Among the 24 chronic alcoholics where the cause of death was unknown, 9 cases showed very high levels of acetone (74-400 mg/l). These comprised 6 cases without additional findings and 3 cases where a second patho-mechanism such as intoxication possibly contributed to the cause of death. In a second series, the sum values according to Traub (lactate/glucose) were determined in cerebrospinal liquor of chronic alcoholics with undetermined cause of death (n = 45), diabetics (n = 6) and controls (n = 39). Among the 45 alcoholics, 17 cases showed very high sum values (294-594 mg/dl) including 8 cases where non-lethal intoxications may have contributed to the final outcome. Other causes of a ketoacidosis or lactic acidosis (e.g. diabetes) were excluded in both groups of alcoholics. Consequently, ketoacidosis and lactic acidosis can be the cause of death of chronic alcoholics in a considerable number of cases where no pathomorphological or toxicological changes are present. A scheme for medical and laboratory examination is described.
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PMID:Ketoacidosis and lactic acidosis--frequent causes of death in chronic alcoholics? 958 92

Among the rarer causes of acute pancreatitis listed in surgical texts is hypothermia. To assess the evidence for cause and effect, we questioned selected consultants about their experience and examined the case-notes of patients admitted with hypothermia. The 31 consultants who returned our questionnaire (69% response rate; 317 consultant-years' experience) could recall only 5 cases of pancreatitis associated with hypothermia, in 2 of which other aetiological factors were judged primary. In case-notes for 100 months of emergency admissions at a single hospital we identified 310 patients with hypothermia and 1153 with acute pancreatitis; none had the dual diagnosis. Of the hypothermic patients, none had abdominal pain typical of acute pancreatitis. In 43 serum amylase was measured because the patient was unable to give a full history and in 2 of these the enzyme was slightly raised; both had experienced a cerebrovascular accident, which is a known cause of hyperamylasaemia. Considered alongside the weak evidence from previous studies, these findings offer negligible support for the idea that hypothermia is a clinically relevant risk factor for acute pancreatitis.
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PMID:Hypothermia and acute pancreatitis: myth or reality? 1272 32


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