Anxiety and emotional sensitivity were significant predictors of 8-year cardiac mortality after AMI. Reduced HF power, a recognized marker of vagal withdrawal, increased the risk.
The Mg, Ca and immunoreactive parathyroid hormone (PTH) serum levels were determined in 22 uremic patients on chronic hemodialysis with different Mg concentrations in the dialysate. Baseline levels of PTH, Ca and Mg were obtained over a 4-month-period whilst on Mg dialysis of 1.5 mEq/l. Patients were then divided into three groups: 10 patients were dialyzed for 6 months with 0.5 mEq/l of Mg, 7 patients with 1.5 mEq/l, and 5 patients with 2.5 mEq/l Mg. At the end of the 6-month period with differentiated Mg dialysis the three groups were characterized by significantly different Mg serum levels. On the contrary, no significant changes were observed in the PTH or the Ca serum levels. The results of this study indicate that PTH secretion in uremic patients on regular hemodialysis is not appreciably influenced by the Mg serum levels.
The gastrointestinal tract is known to generate hormonal and neural signals that can affect the endocrine function of the pancreas ("enteroinsular axis"). The physiological circumstances under which this connection is operative are still a matter of debate. We investigated the influence of bile flow on glucose homeostasis in an experimental model of internal biliary diversion. After laparotomy in 2-mo-old rats, bile flow was diverted from the duodenum into the second jejunal loop with the use of a plastic minicannula. Rats in which the cannula was implanted but not connected with the common bile duct (sham operation) and rats receiving no treatment were used as control groups. After surgery, the rats with the biliary bypass weighed 10% less than the controls for 3 wk; afterwards and until 9 mo later, operated and nonoperated animals had similar growth curves. After the operation, fasting plasma glucose concentrations fell significantly in the treated rats compared with both sham-operated and control rats; likewise, the glycemic response to orally administered glucose was lower in the treated group 1 wk after surgery. In contrast, no significant difference was found in either the fasting or the glucose-induced plasma insulin levels. Nine months after surgery, the same three groups of animals received an oral glucose tolerance test, an intravenous glucose tolerance test, and a fasting-refeeding test (24 h of fast followed by standard, mixed feeding for another 24 h). On all three tests, bile-diverted rats showed lower plasma glucose responses than either sham-operated or control rats in the face of essentially similar plasma insulin responses.(ABSTRACT TRUNCATED AT 250 WORDS)
We tested the hypothesis that religiosity (ie, seeking God's help, having faith in God, trusting in God, and trying to perceive God's will in the disease) is associated with improved survival in patients with end-stage liver disease who have undergone orthotopic liver transplantation. We studied a group of 179 candidates for liver transplantation who responded to a questionnaire on religiosity during the pretransplant psychological evaluation and underwent transplantation between 2004 and 2007. The demographic data, educational level, employment status, clinical data, and results of the questionnaire were compared with the survival of patients during follow-up, regardless of the cause of any deaths. Factorial analysis of responses to the questionnaire revealed 3 main factors: searching for God (active), waiting for God (passive), and fatalism. 2 ¼ 8.506, P ¼ 0.035) were independently associated with survival, even after adjustments for the waiting for God factor, fatalism, age, sex, marital status, employment, educational level, viral etiology, Child-Pugh score, serum creatinine level, time from the questionnaire to transplantation, donor age, and intraoperative bleeding. Patients who did not present the searching for God factor were younger than those who did, but they had shorter survival times (P ¼ 0.037) and a 3-fold increased relative risk of dying (HR ¼ 3.01, 95% CI ¼ 1. 07-8.45). In conclusion, religiosity is associated with prolonged survival in patients undergoing liver transplantation.
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