Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0011570 (depression)
 172,036 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Recent advances in nutritional and biochemical research have documented inositol as an important dietary and cellular constituent. The processes involved in inositol metabolism and its derivatives in the tissues of mammals have been characterized in vivo as well as at the enzymatic level. Biochemical functions defined for phosphatidylinositol in biological membranes include the regulation of cellular responses to external stimuli and/or nerve transmission as well as the mediation of enzyme activity through interactions with various specific proteins. Altered production of inositol has been documented in patients with diabetes mellitus, chronic renal failure, galactosemia, and multiple sclerosis. Inositol has been reported to be effective in treating central nervous system disorders such as depression, Alzheimer's disease, panic disorder, and obsessive-compulsive disorder. It has documented benefit for use in pediatric respiratory depression syndrome. In addition, recent studies have evaluated its usefulness as an analgesic. Inositol has been studied extensively as potential treatment to alleviate some negative effects associated with lithium therapy. The use of inositol in pregnant women remains controversial. Although its benefit in preventing neural tube defects in embryonic mice is documented, the risk of inducing uterine contractions limits its usefulness in pregnancy.
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PMID:Inositol--clinical applications for exogenous use. 985 68

A 65 year-old male with HCM had progressively increased pericardial effusion. He also had atrial fibrillation (af), cardiac systolic dysfunction and chronic renal failure needing hemofiltration. Pericardial fenestration was carried out to improve diastolic function. Anesthetic management with fentanyl plus low-dose propofol infusion and postoperative analgesia with epidural morphine were effective for hemodynamic stability to prevent myocardial depression and to control ventricular response to atrial fibrillation. Intraoperative trans-esophageal echocardiography (TEE) monitoring was very useful for fluid therapy, inotropic support and estimation of systolic and diastolic function.
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PMID:[Anesthetic management for pericardial fenestration in a hypertrophic cardiomyopathy (HCM) patient with massive pericardial effusion]. 1008 23

Respiratory depression secondary to morphine intoxication occurred in an elderly patient with chronic renal failure (CRF). It was reversed with a continuous infusion of naloxone. Approximately 11 hours after the infusion was discontinued, the patient relapsed into respiratory depression consistent with opioid intoxication. He was rechallenged with a naloxone infusion with resolution of the opioid effects. This case suggests prolonged antagonism of opioid effects inconsistent with naloxone's reported pharmacologic effects. Serum naloxone concentrations measured after the end of the infusion suggest that the drug's pharmacokinetics were significantly altered. Further research is necessary to characterize pharmacokinetic changes that occur in CRF. In the absence of this information, similar patients should be closely monitored for relapse of respiratory depression after naloxone is discontinued.
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PMID:Prolonged opioid antagonism with naloxone in chronic renal failure. 1041 42

Cardiac arrhythmias are noted in a significant proportion of chronic renal failure (CRF) patients on hemodialysis (HD), and may contribute to cardiovascular mortality. A number of factors have been implicated in the genesis of these arrhythmias. The role of silent myocardial ischemia (SMI), however, has not been evaluated systematically. We prospectively studied 38 unselected CRF patients on regular HD by continuous Holter monitoring starting 24 hours before HD, lasting through the dialysis session and continued for 20 hours thereafter. The recordings were analyzed for frequency, timing and severity of supraventricular and ventricular arrhythmias and SMI as identified by ST-segment depression. Ventricular arrhythmias during HD were noted in 11 (29%) patients (group I), and were potentially life-threatening (Lown Class III and IVa) in 13%. The remaining 27 patients (group II) had no ventricular arrhythmias during HD. There was no difference in the age, sex ratio, duration of HD, blood pressure, fluctuations in weight, hematocrit, predialysis creatinine, sodium, potassium, calcium or inorganic phosphate levels between patients in the two groups. The number of patients with clinical ischemic heart disease was significantly greater in group I. SMI was noted in 72% and 33% of group I and II patients respectively (p = 0.026). 46% of those with and 25% of those without ST changes during HD developed ventricular arrhythmias during HD. Both SMI and ventricular arrhythmias were noted most frequently during the last hour of dialysis. Hypertension, diabetes mellitus and ischemic heart disease were observed more frequently amongst patients with SMI. Ventricular arrhythmias are detected in a significant proportion of CRF patients on HD. These are probably related to coronary artery disease since silent myocardial ischemia is also noted more frequently during HD in these patients. Further studies incorporating coronary angiography are needed in a larger number of patients to establish a definite causal relationship.
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PMID:Cardiac arrhythmias and silent myocardial ischemia during hemodialysis. 1084 46

Metabolic acidosis is a condition that is commonly encountered in both chronic renal failure (CRF) and in end-stage renal disease (ESRD). Known complications and surmised consequences associated with the acidosis of renal disease include bone lesions, depression of myocardial contractility, and growth retardation. Conversely the correction of acidosis in children with renal tubular acidosis improves growth velocity. This is also the case in children with CRF. The conclusion drawn from this study was that the correction of metabolic acidosis improved serum albumin concentrations in patients on hemodialysis and that this correction also induced a decrease in the nPCR.
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PMID:A review of the effects of correction of acidosis on nutrition in dialysis patients. 1092 54

A 5-month-old, male, Shih Tzu dog manifesting polyuria and polydipsia since 2-month-old was presented to our hospital with additional clinical complaints of vomiting and depression during recent a few days. Despite the symptomatic therapy for chronic renal failure, he died on the day after medication. Macroscopically, both kidneys were small in size with rough surface. Microscopical examination revealed bilateral renal fibrosis with dysplastic changes consisting of immature glomeruli and tubules, and foci of adenomatoid proliferation of tubular epithelium. In addition, incomplete lobulation of medulla with pelvic structures was also noticed in the right kidney. From these findings, the present case was diagnosed as renal dysplasia in Shih Tzu dog which was documented in the literatures.
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PMID:Renal dysplasia in a Shih Tzu dog in Japan. 1171 30

A case of the cerebellar form of progressive multifocal leukoencephalopathy (PML) without remarkable immune depression or immune deficiency is reported here. The patient was a 74-year-old-woman who had complications of chronic renal failure and renal anemia for several years. Seven months before her death she had symptoms of general fatigue, gait disturbance and articulation disorder. During her hospitalization period her neurological disorder gradually progressed irreversibly with failure of consciousness and she died of respiratory failure. She did not have remarkable clinical signs of immunodeficiency nor did she receive immunosuppressive therapy. Clinically she had not been diagnosed with PML. At the post-mortem examination different degrees of demyelination were observed in the brain white matter: diffuse and severe in the cerebellum, moderate and coalescent in the brainstem, and light and patchy in the cerebrum. JC virus antigen-positive cells were frequently observed in the demyelinated lesions in the cerebrum and sometimes observed in the brainstem, but were rarely found in the cerebellum. These findings suggest that PML lesions may be present with different degrees of demyelination that are inversely correlated with the number of JC virus-infected cells. This fact should be considered when evaluating the brain biopsies of PML patients.
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PMID:Autopsy case of the cerebellar form of progressive multifocal leukoencephalopathy without immunodeficiency. 1203 Apr 15

Normal aging is associated with significant changes in the function of most organs and tissues. In this regard, the gastrointestinal tract is no exception. The purpose of this review is to detail the important age-related changes in motor function of the various parts of the gastrointestinal tract and to highlight some of the important motility changes that may occur, either in relation to common age-related disorders, or as a result of certain drugs commonly prescribed in the aged. A major confounding factor in the interpretation of motor phenomena throughout the gastrointestinal tract in this age group is the frequent coexistence of neurological, endocrinological and other disease states, which may be independently associated with dysmotility. Overall, current data are insufficient to implicate normal aging as a cause of dysmotility in the elderly. Normal aging is associated with various changes in gastrointestinal motility, but the clinical significance of such changes remains unclear. More important is the impact of various age-related diseases on gastrointestinal motility in the elderly: for example, long-standing diabetes mellitus may reduce gastric emptying in up to 50% of patients; depression significantly prolongs whole-gut transit time; hypothyroidism may prolong oro-caecal transit time; and chronic renal failure is associated with impaired gastric emptying. In addition, various, frequently used drugs in the elderly cause disordered gastrointestinal motility. These drugs include anticholinergics, especially antidepressants with an anticholinergic effect, opioid analgesics and calcium antagonists.
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PMID:Aging and intestinal motility: a review of factors that affect intestinal motility in the aged. 1218 88

Here we describe the uncommon case of a Caucasian male with secondary hyperparathyroidism due to 8 parathyroid glands discovered in the course of a surgical exploration. The patient (age 49 yr) with a 21-yr history of chronic renal failure came to our observation in June 1999 complaining of depression, muscle weakness, bone and joint pain, movement hindrance. The biochemical evaluation evidenced low-normal serum calcium, high phosphorus and PTH levels. The symptoms and the biochemical findings were suggestive for secondary hyperparathyroidism. The neck US revealed an increase of thyroid gland volume with diffuse hyperechogenity; two nodules of 20 and 25 mm as maximum diameter were found in the thyroid parenchyma, while 4 hypoechogenous nodules (maximum diameter ranging from 13.0 to 30.0 mm) with clean borders and anechogenous areas inside were evidenced in the rear side of the thyroid lobes. The parathyroid scan with 99mTc and 201 Tl demonstrated increased uptake bilaterally in the inferior side of the neck. The patient underwent a total parathyroidectomy with near total thyroidectomy in November 1999. Histological examination of surgical specimen evidenced 6 hyperplastic parathyroid glands in back side of the 2 lobes (3 on the right and 3 on the left), and the examination of the thyroid gland showed 2 hyperplastic parathyroids (5 mm and 15 mm maximum diameter) into the 2 nodules previously evidenced by US. The physiopathological and clinical and therapeutic implications of this observation are discussed.
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PMID:Eight parathyroid glands incidentally discovered during a surgical intervention for secondary hyperparathyroidism: an unusual clinical finding. 1239 39

Many psychiatric disorders can be seen in patients with chronic renal failure (CRF). Haemodialysis (HD), which is a renal replacement treatment, causes various psychiatric and psychosocial problems. Patients are dependent on treatment and the illness causes various problems. In addition, strict diet and continuous treatment are other stress factors (1,2). Various studies have been published in different regions and countries about the prevalence of depression and the relation between sociodemographic factors and depression in patients treated by continuous ambulatory peritoneal dialysis (CAPD), which has gradually become common in Turkey. However studies, which reflect the authors' region, have become necessary (2,3).
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PMID:Depression in dialysis patients. 1455 91


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