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PubMedDate not supplied

Determination of triethylenetetramine dihydrochloride in aqueous solution by reversed-phase ion-pairing high performance liquid chromatography and conductivity detection.

Triethylenetetramine dihydrochloride (TETA) has been used for the treatment of Wilson's disease which is a metabolic disorder that prevents its victims from eliminating excess copper. TETA was scheduled for toxicological evaluation because of a deficiency of such information. Analytical chemical procedures to determine the purity of the drug as well as the proper concentration and stability of the drug in dosed water were prerequisites for the toxicological tests. A high performance liquid chromatography (HPLC) procedure employing ion-pairing and conductivity detection has been developed for the analysis of TETA in dosed water at levels as low as 10 micrograms/mL and for the determination of drug purity. The conductivity detector response was linear over the concentration range of 10 to 100 micrograms/mL. Data are presented concerning the stability of the drug in water during ambient storage and after autoclaving. An ancillary colorimetric procedure for the analysis of aqueous TETA solutions is also presented which is based on measuring the absorbance of the colored TETA copper chelate at 599 nm. The HPLC procedure is applicable to the analysis of TETA and the chemically similar polyamines spermidine and spermine in admixture.

Animals↗
PubMed2004

Ergonomic pain--part 2: differential diagnosis and management considerations.

Work-related musculoskeletal disorders (MSDs) can produce ergonomic pain in several different regions of the body, including the shoulder, elbow, wrist and hand, lumbar spine, knee, and ankle/foot. Each family of disorders is distinctive in presentation and requires diagnosis-specific interventions. Because of the complex nature of these disorders, management approaches may not always eliminate symptoms and or completely restore patient function to a level found prior to symptom onset. As a consequence, ergonomic measures should be implemented to reduce the overload on tissue and contribute to patient recovery. However, functional limits may persist and the clinician must make further decisions regarding a person's functional status in the chronic stages of the patient's care.

Journal Article↗
PubMed1999

Charcot and the myth of misogyny.

OBJECTIVE: To evaluate Jean-Martin Charcot's attitudes toward women and evaluate contemporary and modern accusations of misogyny. BACKGROUND: During the last quarter of the nineteenth century, issues of women's health and feminism became increasingly a medical and political priority. Early neurologists, and specifically Charcot, have been criticized for retarding the advancement of women, but the issue has never been studied in detail. METHODS: Review of original documents from the Bibliothèque Charcot, archives of the Sorrel-Dejerine and Leguay families, and materials from the Académie de Médecine, Paris. RESULTS: Several lines of evidence demonstrate that Charcot, although highly authoritarian and patronizing toward patients and colleagues in general, fostered the concepts of advancing women in the medical profession and eliminating former gender biases in neurologic disorders. The first woman extern in Paris, Blanche Edwards, worked directly under Charcot, and he later became her thesis advisor. When women lobbied for entrance rights to the intern competition, Charcot was one of the few professors to sign the original petition of support. Charcot worked extensively with hysteria and female patients, although he energetically rejected the idea that the disorder was restricted to women. He categorically deplored ovariectomy as a treatment for women with hysteria. His most important scientific contribution in the study of hysteria was his identification of the disorder in men. CONCLUSIONS: Although overtly apolitical throughout his life and certainly not a feminist in the modern definition of the term, Charcot worked to incorporate women professionally into neurology, advanced areas of women's health through his long-term commitment to work in a largely women's hospital (the Salpêtrière), and dispelled the prejudice that hysteria was a woman's malady.

History, 19th Century↗
PubMed1998

Criteria for prosthetic provision: "he who pays the piper calls the tune".

Previously instituted policies regarding prosthetic limb provision had been deemed dependable. A follow-up home visit study showed that 18 of 60 patients that had been provided with prostheses, did not make use of them. Analysis showed that three categories of patients made up the large majority of the non-users; double amputees, blind persons and those with psychiatric disorders. In order to attempt to eliminate the wastage of prosthetic provision to non-ambulators a new policy decision was made. Doubtful ambulators and those from the three aforementioned categories will be initially provided with temporary prostheses. Only after a period of months of temporary prosthetic usage at home will a decision be made as to whether a permanent prosthesis will be issued.

Adult↗
PubMed1993

Electroconvulsive Therapy in Adolescents.

Because of the limited number of case reports on the use of electroconvulsive therapy (ECT) in adolescent psychiatric patients, we retrospectively reviewed the medical records of 20 young patients who underwent ECT. They constituted all the patients </=18 years of age who had received ECT at our institution from 1983 through 1991. We also reviewed the literature. In our series of adolescents, ECT reduced or eliminated symptoms in patients with bipolar disorder, major depression, and schizophreniform disorder. It was less effective in patients with schizophrenia and schizoaffective disorder and produced no response in those with personality disorders. Treatments elicited no recorded adverse effects, even in patients with concomitant systemic problems, including a seizure disorder, a renal transplant, and a septum pellucidum cyst. We found ECT to be safe and effective in adolescents with severe and medication-resistant mental illnesses.

Journal Article↗
PubMed2002

[Application of proximal correction osteotomy of the tibia in treatment of the knee joint osteoarthrosis].

High osteotomy of tibia is the method of choice in patients with osteoarthrosis (OA) of the knee joint (KJ) medial portion of I and II stage. To secure positive postoperative result achievement high proximal osteotomy was combined with other interventions, directed on elimination of other morphological or functional disorders of the KJ. We have performed treatment of 43 patients with OA of KJ of II stage with the varus deformity, to whom correcting osteotomy "Opening Wedge". In all of them arthroscopy of the KJ was done, in 14--with stimultant arthroscopic plasty of anterior cruciform ligament, in 17--arthroscopic chondroplasty of articular surface defects of processus lateralis os femoris, in 12--arthroscopic KJ debridement, in 24--partial meniscusectomy. An excellent and good result was noted in 33 patients. Miniinvasive combined reconstructive-restorational interventions are effective in OA of II stage with disorder of an axis or an axis and the KJ stability.

Humans↗
PubMed2002

[Treatment of servicemen with pelvic injuries at the stage of medical evacuation during local military conflicts (Report II)].

Basing on the analysis of medical record data obtained from servicemen with pelvic unstable injuries the authors evaluate the results and effectiveness of the used treatment methods and give the recommendations how to improve medical care rendered such category of casualties at the stages of medical evacuation. The analysis of treatment results obtained in the casualties with pelvic unstable injuries shoes high frequency (up to 24.4%) of unsatisfactory results among which not eliminate deformations of pelvic ring (14.3%), disordered walk (20.4%) and painful syndrome (18.8%) prevailed. In the structure of treatment measures during the local armed conflicts in Afghan and Chechnyathe conservative methods of hipbone immobilization (and even in the cases of pelvic unstable injuries) prevailed. Osteosynthesis with external apparatus was used only in 2.1% of the cases. Such treatment tactics resulted in the large number of unsatisfactory anatomical and functional outcomes of medical rehabilitation (46.8%), changes in servicemen fitness category (30.3%) their discharge and disability. To make the treatment of such category of casualties more effective it is necessary to conduct the appropriate surgical stabilization of pelvic fractures at the stage of specialized medical care with the use of modern methods of external and internal osteosynthesis.

Fractures, Bone↗
PubMed1981

Action of substance P and an analogue on blood pressure and avoidance learning in rats with spontaneous hypertension (SHR).

Substance P (SP) and an analogue (Lys-Phe-Ile-Gly-Leu-MetNH2 = EH) were tested in acute experiments on the blood pressure in the intact rat anaesthetized with urethane. A biphasic response, consisting of an initial depressor, followed by a pressor component, was seen. In low concentrations, SP decreases blood pressure, in medium concentrations SP produces a pronounced biphasic response, in high concentrations SP produces only hypertensive reactions. In chronic experiments, SP-peptides act also in different directions. After EH, disorders in avoidance learning were completely eliminated from 10 weeks old spontaneously hypertensive rats (SHR) or conditionally from SHR age 14 or 26 weeks. Elevated blood pressure in SHR aged 26 weeks was reduced by EH. Blood pressure in SHR aged 14 weeks was almost unaffected by EH and blood pressure went up in ten weeks old SHR. SP had a weaker action in comparison with EH. These results are in agreement with the hypothesis proposed by Oehme and co-workers [11-13] that SP can act as a regulatory peptide (="regulide").

Animals↗
PubMed1982

[Agenesis of the gallbladder. Comments on physiopathology and diagnosis. Apropos of 2 cases].

Initially a simple anatomical curiosity discovered at operation or autopsy, agenesis of the ball bladder has now, and despite its rarity, become of the greatest interest from a pathogenic, physiopathological and diagnostic standpoint. Embryogenesis explains that this a developmental abnormality affecting the hepatic diverticulum which is probably of genetic origin, hence its frequent association with other malformations and the hereditary nature of the condition. The usual finding of a syndrome of blockage of the sphincter of Oddi with dilatation of the common bile duct raises the problem of synergism between the sphincter of Oddi and the gall bladder. The discovery of lithiasis of the hepatic and common bile ducts in agenesis of the gall bladder leads to discussion of the reality of organ lithiasis or the role of the distended wall of the common duct. Cholecystography and echotomography would appear to be the two techniques of investigation to be recommended preoperatively in order to increase support for the presumptive diagnosis once disorders affecting neighbouring structures have been eliminated. The definite diagnosis is made peroperatively by manual exploration, peroperative cholangiography or even coeliac arteriography during the operation. The indication for surgery is based upon clinical symptomatology. This does not treat the agenesis but the associated lesions which are its complications, in particular: lithiasis the common duct, sphincter of Oddi block syndrome and dilatation of the common duct.

Abnormalities, Multiple↗
PubMed1980

Effects of a substance P-analogue on blood pressure and avoidance learning of rats with spontaneous hypertension.

A shortened and modified eledoisin-hexapeptide sequence (Lys-Phe-Ile-Gly-Leu-MetNH2) was tested for their action on avoidance learning and blood pressure of rats with spontaneous hypertension (SH-rats) and intact Wistar rats. Both groups were 10, 14, and 26 weeks of age. Disorders of avoidance learning and elevation of blood pressure were likely to aggravate along with growing age of SH-rat. The used eledoisin-hexapeptide sequence is related to the essential C-terminal pentapeptide sequence of Substance P (SP). After injection of the used hexapeptide at doses of 250 microgram/kg intraperitoneally disorders in avoidance learning were completely eliminated from ten-week SH-rats or conditionally for SH-rats aged 14 and 26 weeks. Elevated blood pressure in SH-rats aged 26 weeks was reduced by the hexapeptide from 220 Torr to approximately 190 Torr. Blood pressure in SH-rats aged 14 weeks, originally about 180 Torr, was almost unaffected by the hexapeptide. Blood pressure went up from about 150 Torr to 190 in ten-week-old Sh-rats. A hypothesis was made about the mode of action of Substance P and related peptides.

Animals↗
PubMed1995

[Machine-assisted detection of individually effective minimal CPAP pressure using the Vitalog HMS 5000 monitor].

UNLABELLED: Continuous positive airway pressure ventilation (CPAP) has been proven to be highly effective in the elimination of sleep-related breathing disorders (SRBD) in the last couple of years. The titration of the effective airway pressure should be carried out under continuous polysomnographic supervision in the sleep laboratory. The CPAP ventilation may result in potential hazards through the positive airway pressure and each patient needs an individually adjusted pressure for therapy. In a prospective study we investigated under polysomnographic supervision the effectivity and the hazards of a machine-controlled CPAP calibration in 22 male patients (pts) (age: 53.6 +/- 8.9 years, BMI: 29.9 +/- 5.0 kg/m2) with obstructive SRBD (RDI: 50.6 +/- 1/h). Automatic CPAP-calibrations were carried out using the Vitalog HMS-5000 monitor and the Respironics BiPAP-STD ventilator. An algorithm determined the cyclical changes of the airway pressure. The following night we controlled the assessed pressure through manual adjustment during conventional polysomnography. RESULTS: The CPAP-levels assessed through the automatic calibrations (8.36 +/- 2.36 cmH2O) showed in 19 pts a good agreement with the CPAP-levels of the control nights (8.15 +/- 2.36 cmH2O), the difference was statistically nonsignificant (p < 0.5). The CPAP-levels of the automatic titrations and the control nights agreed exactly in 12 pts (63%). 3 pts of the 22 failed the automatic CPAP-titration process because of functional or psychical reasons. 14 pts (64% of 22 pts) showed a good functional tolerance to the cyclical changes of the airway pressure. 3 pts were unable to fall asleep under the increasing airway pressure, but after falling asleep at a constant pressure of 2 or 4 cmH2O they could tolerate the automatic pressure titration. A reset of the actual pressure to the baseline was necessary in 13 pts to enable them falling asleep, in 2 pts because of increase of the airway pressure due to movement artifacts, in 2 pts because of central apneas and in one patient because of ventricular extrasystoles. 35 increases of the baseline level (48% of altogether 73 increases) occurred due to clinically irrelevant desaturations. We found a direct hazardous effect of the machine-controlled CPAP-titration (central apneas, secondary alveolar hypoventilation, ventricular extrasystole) in 7 pts with chronic obstructive pulmonary disease and/or cardiovascular disorder. CONCLUSION: The machine-controlled CPAP-titration should be carried out only in a selected group of patients. Nevertheless, despite of the good agreement of the assessed pressure levels with the polysomnographic controls, this method seems to be not suitable for the clinical routine because of its potential hazards and contraindications in high risk patients.

Adult↗
PubMed1996

Autosomal dominant iridogoniodysgenesis anomaly maps to 6p25.

Autosomal dominant iridogoniodysgenesis anomaly (IGDA) is characterized by iris hypoplasia and goniodysgenesis with frequent juvenile glaucoma. IGDA is the result of aberrant migration or terminal induction of the neural crest cells involved in the formation of the anterior chamber of the eye. After eliminating candidate regions for other ocular disorders, a genome-wide scan for IGDA was performed using linkage analysis. Approximately 95% of the genome was excluded with >300 microsatellite markers before significant linkage was demonstrated between IGDA and chromosome 6 markers in two families. From haplotype analysis and identification of recombinants, the IGDA locus is mapped to an 8.3-cM interval distal to D6S477, at 6p25. Our linkage results are consistent with the ocular findings in rare cases of individuals with chromosomal anomalies involving deletions of 6p. This suggests that there is a major gene involved in eye anterior segment development at 6p25.

Chromosome Mapping↗
PubMed1993

Cognitive-behavioral therapy of panic disorder with secondary major depression: a preliminary investigation.

Controlled studies indicate that cognitive-behavioral therapy eliminates panic attacks in greater than 80% of patients who suffer from panic disorder. However, because most of the screening procedures used in those studies called for excluding patients who were depressed, a question arises as to the extent to which these results apply to patients who are clinically depressed in addition to having panic attacks. Accordingly, an attempt was made in the present study to determine whether or not panic patients who are clinically depressed could be treated as successfully as those who are not clinically depressed. Two multiple baseline A-A1-A-B across-subjects designs were used, one to test 8 panic Ss with major depression and the second to test 7 panic Ss without major depression. In Baseline (A), Ss monitored their panic attacks daily. During the A1 phase, a program of information on panic attacks presented as psychotherapy was instituted to assess the effects of nonspecific factors, followed by a second baseline phase (A). Cognitive-behavioral therapy (B) was then introduced. Results showed that cognitive-behavioral therapy was significantly superior to information-based therapy in the reduction of panic attacks. No significant differences were found between depressed and nondepressed patients.

Adult↗
PubMed2026

Impaired toilet training and bladder and bowel dysfunction in children with developmental coordination disorder - an underreported issue.

BACKGROUND & OBJECTIVE: Children with Developmental Coordination Disorder (DCD) face significant, yet often overlooked, challenges beyond motor impairments, including difficulties with toilet training and bladder and bowel dysfunctions (BBD). This study aims to explore whether children with DCD exhibit greater difficulties in these areas compared to typically developing children (TDC). METHOD: This cross-sectional case-control study included 84 children aged 5-8 years (42 DCD, 42 TDC), matched by school-grade and sex (33 boys and 9 girls per group). Parents completed the Vancouver Symptom Score for Dysfunctional Elimination Syndrome (VSSDES) to assess BBD symptoms, the Dutch DCD-questionnaire (DCD-Q) to evaluate motor coordination, and additional questions regarding toilet training, elimination diagnosis, and co-occurring conditions. Correlations and exploratory group differences were analysed. RESULTS: Parents of children with DCD reported significantly more toilet training difficulties than parents of controls (p < 0.001), including persistent accidents (47.6% vs. 9.5%), prolonged training (45.2% vs. 4.8%), and difficulties recognizing urination urgency (40.5% vs. 2.4%). The parental report of delayed attainment of bowel and bladder control (p < 0.05) and BBD rates (p < 0.001) was also significantly higher in children with DCD. Exploratory analyses indicated that the prevalence of these outcomes was not significantly different between children with DCD with and without co-occurring ADHD or autism, suggesting a possible primary association with DCD. Additionally, across both children with DCD and TDC, poorer motor skills were associated with more BBD symptoms (r = -0.474, p < 0.001). CONCLUSION: Children with DCD have a higher prevalence of toilet training difficulties and BBD compared to TDC, potentially affecting their psychosocial well-being. Greater awareness is crucial for timely and targeted care. Notably, the study's design, directly comparing children diagnosed with DCD to matched TDC, provides new insights into the prevalence of elimination difficulties in this population.

Humans↗