The effects of aging on the digestive system.
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The diagnostic procedure combination (DPC) was introduced in 82 institutions from April 2003. DPC is similar to the diagnosis-related group and prospective payment system, which is widely used in the USA. The payment of DPC is calculated by multiplying the cost/day in each DPC, hospital stay in days, and index of each hospital, which is determined by several variables including the mean hospital stay in the previous year. After the introduction of DPC, clinical and diagnostic examinations, and cancer chemotherapy were shifted from the inpatient to outpatient setting in our institution, as well as in most of the other institutions reported by the Ministry of Health, Labor and Welfare. Because of the examinations in the outpatient clinic, the preoperative hospital stay was shortened. To validate the safety and effectiveness of cancer chemotherapy in the outpatient clinic, a central system was established in our institution by unifying the protocols and limiting the maximum administered doses by computer. After introduction of DPC, the average hospital stay was shortened in most institutions including ours. In spite of the satisfaction of the patients surveyed, the benefits of DPC should be confirmed based on the final outcome in terms of clinical therapeutic results.
We present an evaluation of the accuracy of death certificates in Italy for patients with cancers of the digestive apparatus in Italy: oral cavity and pharynx, oesophagus, stomach, colon rectum, liver, bilious ducts, pancreas. The diagnosis reported on death certificates is compared to post mortem examinations, diagnoses histologically confirmed, clinical and cancer registry records. For oropharynx cancer mortality data available from official statistics are underreported when compared to cancer registry data. The oesophagus presents misclassification problems with gastric cancer. Mortality data of stomach cancer show a good agreement with incidence and mortality data from cancer registries. No major differences are revealed among the various sources for colorectal cancer mortality. On the contrary the separate analysis of colon and rectum evidentiates diagnostical difficulties in identifying the primary site of intestinal cancers. Cancers of liver, bilious ducts and pancreas have a low percentage of cases with histological confirm and a high frequency of death certificate only (DCO) due to diagnostical difficulties.
OBJECTIVE: To determine the frequency of malignant neoplasia of the digestive tract in patients seen at the IMSS concentration hospital in Culiacán, Sinaloa, México. METHODS: From 32,097 histopathologic studies performed at No. 1 Regional General Hospital Pathology Department in Culiacán, Sinaloa, 406 were identified as digestive tract malignant neoplasia (DTMN); patient's age and gender were analyzed as well as involvement site and histological type. Benign and metastasic neoplasias were excluded. RESULTS: DTMN prevalence: 1.26%; more affected: 60-69 years; male predominance (66%), p < 0.0001. As a whole, 47.2% of the studies reported stomach cancer; colorectal cancer: 17.5%; gall bladder and bile duct cancer; 8.4%; liver cancer: 8.1%; the remainder were located in other sites. DTMN rate by histologic type were similar to other concentration hospitals of the country. CONCLUSIONS: DTMN has an outstanding magnitude in IMSS Sinaloa patients if other hospital registrations are considered. There are possible regional factors that may contribute to this behavior.
This article reviews the ancillary tests that are available to evaluate disease and function of the gastrointestinal system. Procedures and tests such as abdominocentesis and peritoneal fluid cytology; rumen fluid analysis; abomasal pH and pepsinogen; upper digestive tract endoscopy; ultrasonography and radiology; hematologic and biochemical assessments; cytology, culture, and histopathology of aspirates; serology, liver function tests and biopsy; exploratory laparotomy; fecal examination; and microbiology are described.
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