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Within the health care of the elderly with prevention, diagnosis, therapy, rehabilitation, nursing care and social service, diagnostic procedures are of great importance to avoid under- and over-diagnosis. Many diagnostic difficulties exist in elderly patients such as changed reference values, changed normal values and changed signs and symptoms. Well-known examples of conditions which are likely to be under-diagnosed include depression and urinary incontinence. Examples are given from the cardiopulmonary field where e.g. dyspnoea showed to be very common, but in only 36% of males and 52% in females related to cardiac failure or pulmonary disease. The most common symptom of acute myocardial infarction in elderly patients was shown to be dyspnoea, whereas chest pain occurred in only one fifth of the cases. In another study of patients with ulcer disease loss of appetite and weight, nausea and anemia were more common than abdominal pain and heartburn. In peritonitis patients, abdominal pain was observed in only just more than half of the cases and guarding and/or abdominal rigidity in about one third. In patients with suspect age dementia a detailed investigation showed the prevalence of organic dementia to be 89% whereas 3% had treatable dementia and 8% non-dementia conditions. In geriatric long-term patients the mean hearing loss in the speech area was about 50 dB, in spite of the fact that only about 10% of the patients had hearing aids. The need for nursing diagnosis is also obvious. It is concluded that a detailed multidisciplinary diagnostic investigation procedure is very important in geriatric medicine.
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PMID:The importance of diagnostic procedures to ensure quality of health care in geriatric medicine. Examples from recent studies. 198 60

Inpatient and community-based care can be complementary in relation to the management of HIV disease. Medical records from 200 inpatients of Chikankata Hospital near Lusaka, Zambia and 200 home based patients were examined and compared for the common symptoms of presentation of HIV disease, associated opportunistic infections, and treatment protocols. Drug costs of both groups were also compared. The most common respiratory symptoms in the 2 groups are cough, chest pains, weight loss, and hemoptysis. Treatment employed for these symptoms were cortimoxazole, penicillin V, erthromycin, and tetracycline. Acetyl saliclic acid and paracetamol were used for pain relief in both groups. Gastointestinal system symptoms for both groups were diarrhea, weight loss, abdominal pain, and vomiting. Cotrimoxazole and metronidazole were used in treating diarrhea. Additional treatment protocol for the 2 patient samples included oral rehydration therapy for dehydration, antacid or bismuth subsalicylate for diarrhea and enteritis, and mycostatin for oral candidiasis. Central nervous system symptomatology included headache, dementia, neckace, and lethargy. Chloramphenicol was employed in treating bacterial meningitis. Diazepam and chlorpromazine were effective for restless patients. Genito-urinary system symptomatology for the 2 groups included dysuria, genital ulcers, hematuria, viral warts, and buboes. Antibodies were used for sexually transmitted diseases and infections. Skin symptomatology included rash and dermatitis, herpes zoster, abscess, kaposi's sarcoma, ulcers, furunculosis, and discharging anal sinus. In treating these symptoms, hospital based care and home based care were similar. Overall, it was found that hospital treatment protocols were detailed, expensive, and time consuming. Furthermore, hospital treatment for HIV positive patients is more expensive than HIV negative patients; hospital costs for 50 HIV negative patients totaled US$415.94 compared to US$1204.98 HIV positive/PTB negative patients and US$1705.62 for HIV positive/PTB positive patients. Drug cost/patient admission is increased by 469% if HIV positive. (author's modified).
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PMID:Clinical care as part of integrated AIDS management in a Zambian rural community. 248 94

An abused 10-year-old girl with a family history of Huntington's disease developed incapacitating abdominal pain with concomitant behavioral symptomatology suggestive of dementia. The pseudoneurologic nature of her symptoms was clarified through exhaustive evaluation and did not appear to be that of early-onset Huntington's disease. Assessment included pediatric, psychiatric, neurologic, and gynecologic examination; extensive radiologic and laboratory tests; and chronobiology studies. Successful treatment necessitated the integration of numerous therapeutic modalities including dynamically oriented psychotherapy, psychopharmacologic intervention, physical therapy, behavior modification, and electroconvulsive therapy.
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PMID:An abused psychotic preadolescent at risk for Huntington's disease. 214 Aug 30

The 564 consultations performed by a general medicine consultation service during its first year were analyzed in order to provide a concrete definition of this new academic domain. Of the consultations, 52 percent were for patients on the surgical service. Among these patients, the most common reason for consultation was the preoperative management of chronic illness, specifically, hypertension, diabetes, and angina; 47 percent of such patients had two or more chronic illnesses. The service recommended cancellation of planned surgery in 2 percent and postponement in 9 percent of the 210 patients seen preoperatively. Patients on the psychiatric service accounted for 47 percent of the consultations. In this group, diagnostic issues were the most common reasons for consultation, that is, abdominal pain, dementia, and the suspicion of thyroid disease. Only 12 percent of the patients were seen for prognostic reasons, usually related to the planned use of electroconvulsive therapy or tricyclic antidepressants. The service was evaluated by the referring physicians who rated the service favorably on its "mechanics," as well as on its qualitative performance. However, complaints of triviality were voiced when the average length of the list of recommendations seemed disproportionate to the complexity of the problems. The service was also evaluated by the residents who had provided consultations. From their perspective, the service was more successful in teaching the "art" of consultation than the "science." This experience provides an operational definition of the work facing a general medicine consultation service as well as data useful in focusing future educational programs and research efforts.
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PMID:General medicine consultation. Lessons from a clinical service. 685 76

We encountered a patient with siolated ACTH deficiency accompanying dementia. A 69-year old man was admitted because of abdominal pain. A decrease of serum Na level (114mEq/l) due to increased urinary Na excretion suggested the existence of adrenal insufficiency. While serum cortisol and urinary 17-OHCS, 17-KS excretions were reduced, plasma ACTH level remained below the normal range. Since daily ACTH injections increased both serum cortisol level and urinary 17-OHCS excretion, the patient was diagnosed as having isolated ACTH deficiency. The severity of dementia was measured by using the Hasegawa Dementia Scale. Both cerebral blood flow and metabolism, assessed with Positron Emission Computed Tomography (PET), decreased even after the start of 20mg/day cortril administration. An increase of the cortril supplement dose to 30mg/day attenuated the reduction of cerebral blood flow with the improvement of dementia from score point "1" to "27" (Hasegawa scale). The present case raised the possibility that loss of glucocorticoid may involve the development of dementia, resulting from decreased cerebral blood flow and metabolism.
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PMID:[A case of isolated ACTH deficiency with dementia]. 785 24

The disease is named after George H. Whipple who, in 1907, was the first to describe an intestinal "lipodystrophy". Although Whipple's disease is generally recognized as a multisystem chronic granulomatous disease, primarily involving the digestive system, it can also appear as a primary neurological disorder in rare cases. Most often it is manifested with loss of weight, diarrhea, malabsorption, abdominal pain, lymphadenopathy, cardiopathy, hyperpigmentation and hypotension. The presence of periodic acid-Schiff (PAS)-positive macrophages in biopsy specimens (not only jejunal) and demonstration of "Whipple's bacilli" visible by electron microscopy, are diagnostic signs of active Whipple's disease. Whipple's disease confined to the CNS is rare. It is rarely found in the differential diagnosis of patients with progressive neurological deterioration. The most common neurological picture includes progressive dementia, external ophalmoplegia, myoclonus, seizures, ataxia, hypothalamic dysfunction (sleep disorders, hyperphagia, polydipsia) and meningitis. Oculofacial-skeletal myorhythmia as a movement disorder, associated with Whipple's disease, is reported. Fulminant course of cerebral Whipple's disease is unusual and unfavourable. The confusing and nonspecific clinical appearance is typical for primary CNS involvement. It has recently been suggested that CNS involvement occurs in all cases, although only 10-20% of patients may show it. The CNS is the most common site of disease relapse. The CT scans and MRI of the brain are often normal, but may show cortical/subcortical atrophy, hydrocephalus, focal or intracerebral mass lesions. The cerebrospinal fluid can sometimes contain PAS-positive macrophages. Brain biopsy is suggested as a diagnostic method in cases of high suspicion of CNS Whipple's disease. However, the lesions are frequently inaccessible and false negative. Without extended antibiotic therapy, the course of Whipple's disease is lethal. Now, the prognosis is good, although the optimal antimicrobial regimen is not clearly established. Initial parenteral therapy (tetracycline, penicilline, streptomycine, chloramphenicol, ampicilline) and peroral long-term treatment with trimetoprime-sulphametoxasole, are recommended. As CNS relapse of Whipple's disease may occur after several years, long-term treatment should include antibiotics that are able to cross the blood-brain barrier. The CNS relapse, in contrast to the systemic ones, is resistant to the treatment. Appropriate therapy instituted earlier in the course of the disease is associated with a better neurological outcome. Early recognition can be critical in Whipple's disease because of irreversible neurological sequelae seen later in the course of this potentially treatable condition. In cases with high clinical suspicion in which Whipple's disease cannot be diagnosed with procedures such as jejunal biopsy, antibiotic therapy is recommended. Recovery of an established neurological deficit may rarely occur. Longterm follow-up studies would help to identify the optimal antibiotic regimen and duration of treatment.
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PMID:[Neurologic disorders in Whipple's disease]. 910 28

We report two cases of intestinal perforation caused by accidental swallowing of Press-Through Packages (PTP). The first case occurred in a 90-year-old woman with moderate dementia. She was admitted to our hospital because of abdominal pain and intestinal obstruction. She showed symptoms and sign of peritonitis and underwent abdominal surgery. The postoperative diagnosis was diffuse peritonitis due to a perforated rectal ulcer caused by the sharp corners of an accidentally swallowed PTP. The second case occurred in an 82-year-old woman with recurrent symptoms and signs of intestinal obstruction. She underwent abdominal surgery and the operation revealed an ileal perforation due to penetration by the sharp edge of a PTP. Both patients were discharged in good condition. PTPs are rapidly becoming popular as packaging for tablets and capsules. However, reports of accidental swallowing of PTPs have recently been increasing. In most cases, the PTPs were found in the esophagus and removed endoscopically. Progression of accidentally swallowed PTPs to the intestines is rare. However, when this occurs, the patient's condition becomes more serious. We propose that drugs should not be dispensed in PTPs but rather handed to the patients, especially to elderly patients, or when impossible, the corners of PTPs should be rounded.
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PMID:[Two elderly patients with intestinal perforation caused by press-through package]. 1006 75

We report a 73-year-old Japanese woman with familial Parkinson's disease. The patient was well until her 67 years of the age, when she noted rest tremor in her right hand. Soon after her gait became short stepped. She visited our clinic on October 6, 1992 when she was 68 years old. She was alert and well oriented without dementia. She showed masked face, small voice, small stepped gait, retropulsion, resting tremor in her right hand, rigidity in the neck, and bradykinesia. She was treated with 400 mg/day of levodopa-carbidopa, which improved her symptoms, however, she developed wearing off phenomenon 3 years after the initiation of levodopa treatment. On August 26, 1998, she developed abdominal pain, diarrhea, and vomiting. She was admitted to another hospital, where abdominal plain x-ray revealed an evidence of intestinal obstruction (ileus). She was treated with nasogastric suction and intravenous fluid. Her condition did not improve and she was transferred to our hospital on August 29, 1998. Her family history revealed no consanguineous marriage. She had two elder brothers and three elder sisters. One of her brothers had been diagnosed as Parkinson's disease. Her husband also suffered from Parkinson's disease, however, her parents apparently did not have Parkinson's disease. On admission, she appeared to be drowsy. Her blood pressure was 102/70 mmHg, body temperature 36.2 degrees C. The lungs were clear and no cardiac murmur was present. Abdomen was flat and bowel sound was audible. No abnormal mass was palpable. Neurologic examination revealed mild consciousness disturbance, masked face, and small voice. No motor paralysis was noted. Muscle tone was hypotonic. No abnormal involuntary movement was noted. Abnormal laboratory findings on admission were as follows; WBC 11,300/microliter, amylase 1,373 IU/l, CK 446 IU/l, BUN 50 mg/dl, creatinine 1.17 mg/dl, CRP 22.7 mg/ dl, Na 134 mEq/l, K 3.1 mEq/l, and Cl 81 mEq/l. A chest x-ray film revealed pneumonic shadows in both lower lung fields. She was treated by nasointestinal suction, intravenous fluids, and chemotherapy for her infection. Her BP started to drop on September 2 and she developed cardiac arrest on the same day. She was discussed in a neurological CPC. The chief discussant arrived at the conclusion that the patient had a form of autosomal dominant familial Parkinson's disease. As parents did not have Parkinson's disease, some of the participants raised the possibility of autosomal recessive inheritance. But the age of onset was too late for autosomal recessive inheritance. Majority thought that the mode of inheritance was autosomal dominant with low penetrance. alpha-Synuclein mutation causes an autosomal dominant familial Parkinson's disease, but this type is very rare in non-Greek populations and the penetrance is high. Chromosome 2-linked autosomal dominant familial Parkinson's disease shows low penetrance. There are many other autosomal dominant forms of familial Parkinson's disease linked to yet unknown chromosome loci. Majority thought that this patient also had a form of Lewy-body positive autosomal dominant familial Parkinson's disease of unknown chromosome locus. Post mortem examination revealed ischemic intestinal lesion with strangulation. This was thought to be the cause of her death. In the central nervous system, the brain appeared to be normal by inspection. In the coronal sections, the substantia nigra and the locus coeruleus showed marked depigmentation. Histologic examination revealed marked neuronal loss and Lewy body formation in the remaining neurons. Pathologic examination was consistent with Parkinson's disease. Mutational analysis for the parkin gene was negative.
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PMID:[A 73-year-old woman with familial Parkinson's disease]. 1065 9

Alzheimer's disease is, in part, characterised by the loss of neurones in the basal forebrain cholinergic cells that project to the cerebral cortex and hippocampus. These impairments have correlated with the memory loss noted in dementia of the Alzheimer's type. This 'cholinergic hypothesis' has led to the rational design of drugs to enhance or stimulate acetylcholine-mediated neurotransmission. Early acetylcholinesterase inhibitors, such as tacrine and physostigmine, are poorly tolerated and have a short duration of action. Rivastigmine is a centrally-selective acetylcholinesterase inhibitor with a relatively long duration of action and is a 'pseudo-irreversible' cholinesterase inhibitor due to slow dissociation of a carbamoyl derivative from the esteratic site of acetylcholinesterase. Preclinical studies confirmed the central selectivity of the drug and its distribution into the cerebrospinal fluid (CSF). Early studies demonstrated that rivastigmine improved cognition and was relatively well-tolerated at moderate doses. Clinical investigations of rivastigmine administered at doses of 6 - 12 mg/day significantly improved cognition, as measured by the ADAS-Cog score, and activities of daily living, as measured by the Progressive Deterioration Scale. Significant global improvements were also noted as measured by the Clinician's Interview Based Impression of Change that required the use of caregiver information. The most frequent adverse effects noted in clinical trials were consistent with peripheral cholinergic stimulation and included nausea, vomiting, abdominal pain, dizziness and diarrhoea. These effects were dose-related and minimised by slow dose-escalation upon initiation of therapy. Rivastigmine undergoes minimal metabolism by the cytochrome P450 system. As a result, it has few drug interactions. The drug is currently marketed widely in over 60 countries worldwide. In the United States, the drug received 'approvable' status subsequent to the NDA filing, and should be available later this year.
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PMID:Rivastigmine, a brain-region selective acetylcholinesterase inhibitor for treating Alzheimer's disease: review and current status. 1113 19

Whipple disease is an uncommon chronic bacterial infection due to Tropheryma whipplei. Clinical manifestations are protean (joint pain, fever, weight loss, abdominal pain, lymphadenopathies), and the diagnosis is often delayed. Although previously considered a late manifestation of Whipple disease, neurological involvement is now frequently the initial clinical manifestation and represents the greatest risk for long-term disability. All patients should be treated and monitored as if they had central nervous system disease even if they are asymptomatic. Neurological manifestations include dementia (56 percent), abnormalities of eye movements (33p. cent), involuntary movements (28 percent), seizures, hypothalamic dysfunction, myelopathy, ataxia and psychiatric manifestations. Uveitis, retinitis, optic neuritis and papilloedema may be found. 80 percent of the reported cases of neuro-Whipple had associated systemic symptoms or signs but many patients are presenting without concurrent intestinal manifestation. Thus, the disease may remain undiagnosed or misdiagnosed, as rheumatoid arthritis or sarcoidosis. Traditionally, the diagnostic procedure of choice is biopsy of the duodenal mucosa by demonstrating PAS-positive foamy macrophages. However, not all cases have small bowel infiltration and tissue obtained from sites clinically affected may be helpful. CT and MR images of the central nervous system are normal or not specific: atrophic changes, mass lesions, focal abnormalities and hydrocephalus. The application of a PCR assay against Tropheryma whipplei has transformed the diagnosis. Positive results have been obtained from several tissues and from CSF and PCR is more sensitive than other techniques. All patients must be treated with antibiotics which cross the blood-brain barrier. Most agree that initial treatment with a combination of parenteral penicillin and streptomycin for at least 14 days is appropriate, thereafter cotrimoxazole orally 3 times a day for at least one and probably for two years. Third generation cephalosporins, rifampicin and chloramphenicol have been used successfully. PCR is recognized to be a useful tool for monitoring progress but it is sometimes difficult to reverse established neurological defects.
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PMID:[Neurological manifestations of Whipple disease]. 1240 8


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