Pancreatico-portal dissociation: a canine model to evaluate the hepatic maintenance effects of partial portal flow diversion and pancreatic hormone deprivation.
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Biomedical subjects
Publications and source records attributed to C G Child.
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Pancreaticoduodenectomy, the Whipple operation, is a reasonable operation for carcinoma if used in the absence of distant metastases or regional spread to vital structures. It can be performed with an acceptable in-hospital mortality. It is primarily a palliative surgical procedure. Occasionally, a patient will survive more than five years. At times, the operation is fully justified or cannot be avoided for nonmalignant conditions.
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We outline the implementation of a new method of measuring the quality of medical care that counts cases of unnecessary disease and disability and unnecessary untimely deaths. First of all, conditions are listed in which the occurrence of a single case of disease or disability or a single untimely death would justify asking, "Why did it happen?" Secondly, we have selected conditions in which critical increases in rates of disease, disability, or untimely death could serve as indexes of the quality of care. Finally, broad categories of illness are noted in which redefinition and intensive study might reveal characteristics that could serve as indexes of health. We describe how these inth of the general population and the effects of economic, political, and other environmental factors upon it, and to evaluate the quality of medical care provided both within and without the hospital to maintain health and to prevent and treat disease.
Twelve patients (11 men, one woman), aged 18 to 68 years, had major arterial hemorrhage as a direct complication of pancreatic pseudocysts and chronic pancreatitis. Chronic alcoholism (11 patients) and blunt abdominal trauma (one patient) were the basis for pancreatic disease. Spontaneous hemorrhage occurred in eight patients. Bleeding occurred into the gastrointestinal tract (eight patients), into the peritoneal cavity (four patients), and was intracystic (one patient). Splenic, pancreaticoduodenal, gastroduodenal, and gastroepiploic arteries were sources of hemorrhage. Operative procedures included local control of bleeding (six patients), distal pancreatectomy (three patients), and pancreaticoduodenectomy (one patient). Four patients died of hemorrhagic complications of pancreatic disease, including one not subjected to operation. Extirpation of diseased pancreatic tissue may lessen the morbidity and mortality attributed to this complication of pancreatitis.
Of one hundred and forty-nine patients (101 male and 48 female) 4-67 years of age, 117 were alcoholics and underwent pancreatectomy because of episodic or continuous abdominal pain or complications or chronic pancreatitis. Nineteen patients underwent pancreaticoduodenectomy, seventy-seven 80-95% distal resection, anf fifty-three 40-80% distal pancreatic resection. There were 3 operative death and 30 late deaths 6 months to 11 years post pancreatectomy. Twenty-one patients were lost to followup, 1 to 11 years post pancreatectomy. Ninety-five patients are known to be alive, 4 of whom are institutionalized. Indications for pancreatectomy in addition to abdominal pain include recurrent or multiple pseudocysts, failure to relieve pain after decompression of a pseudocyst, pseudoaneurysm of the visceral arteries associated with a pseudocyst, recurrent attacks of pancreatitis unrelived by non-resective operations, duodenal stenosis and left side portal hypertension. The choice between pancreaticoduodenectomy or distal resection of 40-80% or 80-95% of the pancreas should be based on the principle site of inflammation whether proximal or distal in the gland, the size of the common bile duct, the ability to rule out carcinoma, and the anticipated deficits in exocrine and endocrine function. The risk of diabetes is very significant after 80-95% distal resection and of steatorrhea after pancreaticoduodenectomy. When the disease process can be encompassed by 40-80% distal pancreatectomy this is the procedure of choice.
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