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)

Percy Medicine is a nonprescription gastrointestinal suspension containing bismuth subsalicylate as the active ingredient (1050 mg/10-ml dose). A 3-month-old infant with colic developed salicylate toxicity requiring hospitalization in the pediatric intensive care unit (PICU) as a result of continued administration of this medicine. Bismuth subsalicylate has an aspirin equivalency conversion factor of 0.479 (approximately half the strength of aspirin). For 3.5 weeks the infant's parents administered the medicine, which provided the equivalent of aspirin 57-84 mg/kg/day with no reported problems. However, on the day of admission the baby presented with central nervous system depression and respiratory distress. Assessment at a local emergency facility revealed metabolic acidosis; his serum salicylate concentration was 747 mg/L. After acute management, the patient was transferred to our hospital, where he was treated with whole bowel irrigation and alkalinization therapy. Subsequently, the baby required 4 days of management in the PICU and 2 additional days of observation in a general nursing unit before he was discharged home without incident. The parents had chosen Percy Medicine based on the picture of a baby on the front of the package and because of its placement on the shelf next to a drug their family physician had recommended previously. Salicylate-containing products are not routinely recommended for children aged 1 year or younger. The general public may assume that over-the-counter products are safe because they do not require a prescription. Health care professionals must be responsible for educating the public regarding risks associated with over-the-counter products and the need to read and follow label directions.
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PMID:Salicylate toxicity associated with administration of Percy medicine in an infant. 1650 21

Duodenitis-proximal jejunitis (DPJ) is an idiopathic condition in the horse characterized by inflammation and oedema of the duodenum and proximal jejunum. Clinical signs include colic, ileus, depression, fluid accumulation in the small intestine and stomach, and endotoxaemia. The objective of this study was to investigate prospectively the role of Clostridium difficile in this idiopathic disease. Nasogastric reflux from 10 consecutive cases with DPJ and 16 consecutive horses with other causes of nasogastric reflux was cultured for C. difficile, other Clostridium spp., and Salmonella. Toxigenic strains of C. difficile were isolated from 10/10 (100%) of horses with DPJ and 1/16 controls (P<0.0001). No other known pathogenic clostridia were isolated from either group. Results of this study suggest that C. difficile might be an important cause of this syndrome.
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PMID:Potential role of Clostridium difficile as a cause of duodenitis-proximal jejunitis in horses. 1658 49

Chagas' disease (American trypanosomiasis) is an endemic parasitic disease in some areas of Latin America. About 16-18 million persons are infected with the aetiological agent of the disease, Trypanosoma cruzi, and more than 100 million are living at risk of infection. There are different modes of infection: (1) via blood sucking vector insects infected with T. cruzi, accounting for 80-90% of transmission of the disease; (2) via blood transfusion or congenital transmission, accounting for 0.5-8% of transmission; (3) other less common forms of infection, eg, from infected food or drinks or via infected organs used in transplants. The acute phase of the disease can last from weeks to months and typically is asymptomatic or associated with fever and other mild nonspecific manifestations. However, life-threatening myocarditis or meningoencephalitis can occur during the acute phase. The death rate for persons in this phase is about 10%. Approximately 10-50% of the survivors develop chronic Chagas' disease, which is characterized by potentially lethal cardiopathy and megacolon or megaoesophagus. There are two drugs available for the aetiological treatment of Chagas' disease: nifurtimox (Nfx) and benznidazole (Bz). Nfx is a nitrofurane and Bz is a nitroimidazole compound. The use of these drugs to treat the acute phase of the disease is widely accepted. However, their use in the treatment of the chronic phase is controversial. The undesirable side effects of both drugs are a major drawback in their use, frequently forcing the physician to stop treatment. The most frequent adverse effects observed in the use of Nfx are: anorexia, loss of weight, psychic alterations, excitability, sleepiness, digestive manifestations such as nausea or vomiting, and occasionally intestinal colic and diarrhoea. In the case of Bz, skin manifestations are the most notorious (e.g., hypersensitivity, dermatitis with cutaneous eruptions, generalized oedema, fever, lymphoadenopathy, articular and muscular pain), with depression of bone marrow, thrombocytopenic purpura and agranulocytosis being the more severe manifestations. Experimental toxicity studies with Nfx evidenced neurotoxicity, testicular damage, ovarian toxicity, and deleterious effects in adrenal, colon, oesophageal and mammary tissue. In the case of Bz, deleterious effects were observed in adrenals, colon and oesophagus. Bz also inhibits the metabolism of several xenobiotics biotransformed by the cytochrome P450 system and its reactive metabolites react with fetal components in vivo. Both drugs exhibited significant mutagenic effects and were shown to be tumorigenic or carcinogenic in some studies. The toxic side effects of both nitroheterocyclic derivatives require enzymatic reduction of their nitro group. Those processes are fundamentally mediated by cytochrome P450 reductase and cytochrome P450. Other enzymes such as xanthine oxidoreductase or aldehyde oxidase may also be involved.
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PMID:Toxic side effects of drugs used to treat Chagas' disease (American trypanosomiasis). 1693 19

The orthopedist can choose from three classes of drugs to relieve pain. Nonsteroidal anti-inflammatory drugs (NSAID) possess sufficient analgetic efficacy, but they are hampered by often causing gastrointestinal pain and bleeding. Opioids are strong analgetics that can be successfully used against strong pain. Their use is limited by spasms in both the gastrointestinal and the urinary tract causing constipation and retention of urine, respectively. A particular problem is respiratory depression that may be the ultimate cause of death in severely ill patients.Among nonacidic analgetics derivatives of pyrazole (e.g. dipyrone = metamizole) may also be used in situations associated with strong pain. Because of the risk of damage to white blood cells leading to agranulocytosis with foudroyant infections their use should be strictly limited to conditions that justify such a risk like tumor or colic pain. The aniline derivative acetaminophen (= paracetamol) is well tolerated and is the drug of choice in usual common pain. Large doses are to be avoided because of liver damage, especially in children.
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PMID:[Clinical pharmacology of analgesics]. 1720 24

A weanling foal was diagnosed with proliferative enteropathy caused by Lawsonia intracellularis based on history, clinical findings of depression, anorexia, weight loss, colic, diarrhea, and ventral edema, and a combination of serology and fecal PCR. An epidemiological investigation on the premises revealed that many of the other foals and adult horses were seropositive for L. intracellularis, despite being clinically normal, and identified a dog as a potential carrier and source of infection for the foal. The foal was successfully treated with a combination of azithromycin and rifampin.
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PMID:Lawsonia intracellularis proliferative enteropathy in a foal. 1741 Sep 71

Several studies have reported that symptoms of anxiety and depression are significantly associated with diseases characterized by painful crises. However, there is little information about the psychological aspects of recurrent painful episodes of renal stone disease. Our objective was to evaluate the association of symptoms of anxiety, depression and recurrent painful renal colic in a case-control study involving 64 subjects (32 cases/32 controls) matched for age and sex. Cases were outpatients with a confirmed diagnosis of nephrolithiasis as per their case history, physical examination, image examination and other laboratory exams. Patients had a history of at least two episodes within a 3-year period, and were currently in an intercrisis interval. The control group consisted of subjects seen at the Ophthalmology Outpatient Clinic of this University Hospital with only eye refraction symptoms, and no other associated disease. Symptoms of anxiety were evaluated by the State-Trait Anxiety Inventory and symptoms of depression by the Beck Depression Inventory. Statistically significant differences were observed between patients with nephrolithiasis and controls for anxiety state (P = 0.001), anxiety trait (P = 0.005) and symptoms of depression (odds ratio = 3.74; 95%CI = 1.31-10.62). The Beck Depression Inventory showed 34.5% of respondents with moderate and 6% with severe levels of depression. There was a significant linear correlation between symptoms of anxiety (P = 0.002) and depression (P < 0.001) and the number of recurrent colic episodes (anxiety-state: P = 0.016 and anxiety-trait: P < 0.001). These data suggest an association between recurrent renal colic and symptoms of both anxiety and depression.
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PMID:Anxiety and depression symptoms in recurrent painful renal lithiasis colic. 1765 48

Congenital anomalies of the urinary tract in horses may be difficult to diagnose and treat. Presenting complaints are variable and include weight loss, depression, dysuria, hematuria, and mild colic. Although the most severe abnormalities are diagnosed in the neonate, some diseases, such as ectopic ureter(s), may be identified in older horses. In human medicine, the fetus is examined in the prenatal period for evidence of urinary tract dysfunction, but this is not yet common practice in equine medicine. As a result, urinary tract anomalies are diagnosed after birth using a wide variety of diagnostic modalities.
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PMID:Congenital anomalies of the equine urinary tract. 1806 58

Up to 50% of mothers report postpartum depressive symptoms yet providers do a poor job predicting and preventing their occurrence. Our goal was to identify modifiable factors (situational triggers and buffers) associated with postpartum depressive symptoms. Observational prospective cohort telephone study of 563 mothers interviewed at 2 weeks and 6 months postpartum. Mothers reported on demographic factors, physical and emotional symptoms, daily function, infant behaviors, social support, and skills in managing infant and household. Mothers were categorized into four groups based on the presence of depressive symptoms at 2 weeks and at 6 months postpartum: never, always, late onset, and remission groups. Fifty-two percent did not have depressive symptoms at 2 weeks or at 6 months (never group), 14% had symptoms at both time points (always group), 10% had late onset, and 24% had early onset of symptoms with remission. As compared with women in the never group, women in the always and late onset groups had high-risk characteristics (e.g., past history of depression), more situational triggers (e.g., physical symptoms), and less robust social and personal buffers (i.e., social support and self-efficacy). As compared with the never group, mothers in the remission group had more situational triggers and fewer buffers initially. Changes in situational triggers and buffers were different for the four groups and were correlated with group membership. Situational triggers such as physical symptoms and infant colic, and low levels of social support and self-efficacy in managing situational demands are associated with postpartum depressive symptoms. Further research is needed to investigate whether providing education about the physical consequences of childbirth, providing social support, and teaching skills to enhance self-efficacy will reduce the incidence of postpartum symptoms of depression.
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PMID:Modifiable factors associated with changes in postpartum depressive symptoms. 1923 20

Fumonisins, trichothecenes and zearalenone are the most commonly occurring Fusarium mycotoxins in cereal grains and animal feed. In this review, the toxicity of these mycotoxins in horses is considered with particular reference to recent data on specific and proposed syndromes. Compared to other animal species, very little information is available on the adverse effects of fusariotoxins in horses. Fumonisin B(1) (FB(1)) is the causative agent of leukoencephalomalacia, which is typified by depression, aimless circling, head pressing, paresis, ataxia, blindness and death. FB(1) has also been shown to cause liver damage and cardiovascular dysfunction. Exposure to deoxynivalenol in conjunction with other fusariotoxins seems to be associated with reduction of feed intake and decrease in bodyweight, whilst the T-2 Fusarium mycotoxin may typically induce oral lesions and zearalenone has been implicated in reproductive disorders. Many questions remain on the synergic effects of fusariotoxins and on a possible relationship between mycotoxins and equine colic.
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PMID:Effects of fusariotoxins in the equine species. 1983 21

Lead-containing cooking utensils, sometimes used in South Indian homes, and indigenous medications, widely used in India and increasingly in developed countries, may be responsible for lead intoxication in adults. We report chronic lead poisoning in five adult patients. Not all patients had abdominal colic, while dramatic weight loss, depression and encephalopathy were seen. Once recognized, lead poisoning is treatable and sometimes preventable. Response to chelation therapy with agents such as calcium ethylenediaminetetraacetate (CaEDTA) is impressive, although several courses of therapy may be necessary.
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PMID:Uncommon sources and some unsual manifestations of lead poisoning in a tropical developing country. 2243 2


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