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PubMed1978

Weight and circadian luteinizing hormone secretory pattern in anorexia nervosa.

In previous studies we had established that emaciated women with active primary anorexia nervosa (AN) had immature 24-hr luteinizing hormone (LH) secretory patterns. In this study, we have examined the circadian LH patterns of eight women with AN who had partially or fully recovered their ideal weights. Three of the women were studied before and after weight gain and five women were studied only after the appearance of binge-eating and consequent weight gain (by history). Our findings are: (1) The adult (mature) circadian LH secretory pattern was not present in women who had partially or totally achieved ideal weight but who otherwise remained symptomatic; (2) those women who showed both weight gain and normalization of LH pattern were also symptomatically improved in other respects; (3) the degree of immaturity of pattern did not correlate reliably with the duration of illness, the degree of fatness, or the extent of deficit from ideal weight; (4) the mode of illness onset and the type of secretory pattern were not related; and (5) the return of menses did not show a simple relationship to weight, fatness, or maturity of LH pattern.

Adolescent↗
PubMedDate not supplied

Cardiovascular findings in adolescent inpatients with anorexia nervosa.

Left ventricular function, resting electrocardiograms, and Holter recordings were systematically examined in 25 consecutively hospitalized, seriously ill, emaciated adolescents with anorexia nervosa. We failed to observe serious arrhythmias, abnormal prolongation of QT interval, conduction abnormalities, or depression in left ventricular systolic function.

Adolescent↗
PubMedDate not supplied

Obsessionality in anorexia nervosa: the moderating influence of exercise.

OBJECTIVE: Research has confirmed substantial links between OCD and AN. Not only are there psychopathological similarities between the two syndromes, but a marked neurochemical correspondence. Extensive exercising is a common feature of AN and also has relevance in its links with OCD. There is evidence from the exercise-induced weight-loss syndrome in animals that exercise and caloric restriction, in combination, tend to increase serotonergic activity in a synergistic manner. This syndrome has been proposed as a valid model of OCD as well as for AN. To date, little research has directly tested this theory in the human condition. METHOD: Fifty-three AN patients were categorized as high-level exercisers (N = 22) or moderate/nonexercisers (N = 31) based on the frequency of their physical activity over the year before assessment. RESULTS: Exercisers scored significantly higher on a measure of OC personality characteristics, OC symptomatology, and perfectionism--a personality factor associated with the development of Obsessive-Compulsive Personality Disorder. On the other hand, there were no group differences on other salient eating disorder characteristics such as body esteem, self-esteem, or weight preoccupation. There were also no differences in degree of emaciation as indicated by Body Mass Index. CONCLUSIONS: Findings suggest that among AN patients obsessional personality characteristics are linked to high-level exercising, and that exercising is associated with a greater degree of OC symptomatology. Results are discussed in the context of current theories of AN, OCD, and some biological mechanisms.

Adult↗
PubMed1986

Graft-versus-host disease induced by small bowel allografts. Clinical course and pathology.

The histopathological changes and the course of graft-versus-host (GVH) disease were studied in the rat model of small-bowel transplantation using the Lewis----LBN-F1 strain combination. Allograft-induced GVH disease led to the recipients' death from enteritis, dermatitis and emaciation after 14.4 +/- 2.9 days (heterotopic grafts) and 14.0 +/- 0.7 days (orthotopic grafts). Histologic evidence of dermatitis (epidermal hyperkeratosis and cutaneous infiltration by mononuclear and polymorphonuclear cells) and enteritis (villous blunting and sloughing, inflammatory infiltrate of the recipient's own intestine) appeared on the 9th to 13th postoperative days, and these changes became fulminant within 2-3 days. The lymphatic tissues of the Lewis grafts and the LBN-F1 host underwent a course of progressive lymphoid depletion and loss of follicular architecture beginning on the 5th postoperative day. Throughout the postoperative course, the small-bowel graft remained intact. The relative spleen weight progressively increased until shortly before death, when a marked reduction was observed. The clinical triad of diarrhea, diffuse dermatitis, and hypertrophy of the lymphoid organs followed by their atrophy suggests a diagnosis of GVH disease rather than rejection of the small-bowel allograft. The diagnosis can be confirmed by biopsy of a recipient lymph node or the intestinal allograft (cave perforation) if it is accessible.

Animals↗
PubMed1996

Combined immunosuppressive therapy with tacrolimus and mycophenolate mofetil for small bowel transplantation in pigs.

In a swine model of orthotopic small bowel transplantation, we assessed the efficacy of combined therapy with a low dose of tacrolimus plus mycophenolate mofetil, compared with high-dose tacrolimus monotherapy. The bowel was replaced in 25 piglets: group 1 (n = 5), no immunosuppression; group 2 (n = 10), tacrolimus, 0.3 mg/kg daily i.m. for 7 days, followed by b.i.d. oral doses to maintain blood levels of 15-25 ng/ml; and group 3 (n = 10), tacrolimus, 0.1 mg/kg i.m., in a single dose on day 0 and thereafter oral doses to maintain blood levels of 5-15 ng/ml, plus oral mycophenolate mofetil (10 mg/kg twice daily). Follow-up time was limited to 60 days. Median survival time as 11, 27, and > 60 days in groups 1, 2, and 3, respectively (P = 0.001). Survival rates were 0%, 40%, and 80% at 30 days and 0%, 0%, and 70% at 60 days in groups 1, 2, and 3, respectively (P = 0.03), group 1 vs. group 2; P = 0.003, group 1 vs. group 3; P = 0.02, group 2 vs. group 3). One animal in group 1 (20%) and two animals each in groups 2 and 3 (20%) died of technical complications. Rejection was the cause of death of 80% of animals of group 1 and of no animals in either group 2 or 3. None of the immunosuppressed animals developed clinical or histopathological evidence of graft-versus-host disease. Sixty percent of animals in group 2 (n = 6) and 10% in group 3 (n = 1) died from infections; two other animals in group 2 died of emaciation. The seven animals of group 3 that were alive at 60 days had immunosuppression stopped at that time. All died of rejection within 1 month. In conclusion, double-drug therapy with tacrolimus and mycophenolate mofetil consistently allowed extended survival after small bowel transplantation in swine, preventing or controlling acute cellular rejection without a high incidence of lethal complications related to overimmunosuppression.

Animals↗
PubMed2000

Prolongation of canine liver allograft survival by a novel immunosuppressant, FTY720: effect of monotherapy and combined treatment with conventional drugs.

BACKGROUND: The immunosuppressive effect and other properties of a novel immunosuppressant, FTY720, have been studied mostly in the experimental transplantation of various extrahepatic organs. In this experiment, we evaluated the antirejection potency and adverse effects of this agent on liver grafts using a canine liver transplantation model. METHODS: Forty-eight orthotopic liver transplantations were performed by the standard technique under a veno-venous bypass. Liver recipients were divided into two studies: a single-dose study with FTY720 at various doses and a combined dose study with conventional immunosuppressants (cyclosporine or tacrolimus) alone and combined with FTY720. Survival, biochemical and hematological tests, blood levels of immunosuppressants, and postmortem histology were determined. RESULTS: The median survival of untreated control animals was 9 days, whereas treatment with FTY720 at a dose of 0.1 mg/kg/day prolonged graft survival to 49.5 days. FTY720 at 1 mg/kg/day showed a slight but insignificant prolongation to 16 days, but when the dose was increased to 5 mg/kg/day, the graft was rejected at 10 days. The combination of FTY720, 0.1 mg/kg/day, with a subtherapeutic dose of cyclosporine, 5 mg/kg/ day, prolonged median animal survival from 40 days with cyclosporine alone to 74 days. A combination of FTY720 (0.1 mg/kg/day) with tacrolimus (0.5 mg/kg/ day) compromised animal survival, reducing survival from 83.5 days with tacrolimus alone to 30.5 days due to infectious complication and emaciation by overimmunosuppression. No evident drug-induced side effects were observed. CONCLUSIONS: FTY720 has a potent immunosuppressive effect when used alone at 0.1 mg/kg/day in canine liver transplantation. FTY720 is a promising candidate for future clinical application in orthotopic liver transplantation.

Animals↗
PubMed2003

Improved net protein balance, lean mass, and gene expression changes with oxandrolone treatment in the severely burned.

OBJECTIVE: To determine the effects of the anabolic agent oxandrolone on muscle protein and gene expression in severely burned children. SUMMARY BACKGROUND DATA: The authors previously showed that oxandrolone increased net muscle protein synthesis in emaciated burned patients receiving delayed treatment for severe burns. They hypothesized that similar effects would be seen in those treated early after burn. METHODS: Thirty-two severely burned children were enrolled in a prospective randomized trial. Subjects underwent studies to assess leg protein net balance 5 days after the first excision and grafting procedure. Immediately after these studies, treatment with placebo (n = 18) or 0.1 mg/kg oxandrolone (n = 14) twice a day was started. One week after this, another net balance study was performed in each subject. Body weights and total body potassium counting were used to determine body compositional changes. Muscle biopsies were taken 1 week after treatment in oxandrolone subjects to examine gene expression changes with gene array (12,600 genes). RESULTS: Protein net balance did not change in the placebo group, while oxandrolone-treated subjects had a significant improvement. Body weights and fat free mass significantly decreased in the placebo group, while no changes were found in the oxandrolone-treated subjects. Expression changes were seen in 14 genes in the oxandrolone group compared to placebo. Some of these included myosin light chain (+2.7-fold change), tubulin (+2.3), calmodulin (-2.3), and protein phosphatase I inhibitor (-2.8). CONCLUSIONS: Oxandrolone improves protein net balance and lean mass in the severely burned. These changes are associated with increased gene expression for functional muscle proteins.

Amino Acids↗
PubMed2005

Laparoscopic transabdominal preperitoneal hernioplasty of bilateral obturator hernia.

Obturator hernia is relatively rare and tends to occur in elderly, emaciated women with chronic diseases. Clinical presentations are frequently delayed and so preoperative diagnosis is difficult. Treatment is always surgical. We present a case of a 75-year-old woman with bilateral obturator hernia diagnosed by the physical examination and abdominopelvic computed tomography (CT) scan; she had no signs of bowel strangulation. We used a laparoscopic approach for correction. A transabdominal preperitoneal hernioplasty was done using a prosthetic patch of polypropylene mesh. The patient recovered very well after surgery. We suggest that a laparoscopic approach may be used as treatment, when a nonstrangulated obturator hernia is diagnosed preoperatively.

Aged↗
PubMed2003

Gangrenous appendicitis in a strangulated obturator hernia.

Only two cases of appendicitis in strangulated obturator hernia have been previously reported. In the present case, an 83-year-old woman had fatal anaerobic myonecrosis of the thigh that resulted from gangrenous appendicitis in the right obturator foramen. Early diagnosis, prompt surgical intervention, and perioperative resuscitation are critical for survival in a case of appendicitis in a strangulated obturator hernia with thigh sepsis, especially when it occurs in an elderly, emaciated female patient.

Aged↗
PubMed1979

Mycoplasma pulmonis arthritis in congenitally athymic (nude) mice. Clinical and biological features.

Congenitally athymic BALB/cA nu/nu mice were employed to elucidate the role of the thymus in experimental Mycoplasma pulmonis strain m53 infection, and nu/+ mice were used for comparison. Chronic polyarthritis was frequently produced in both of nu/nu and nu/+ mice by intravenous injection of the organisms. Macroscopically, nu/nu mice developed severer arthritis and a much lower grade of resolution than nu/+ mice. Periarticular abscess, conjunctivitis, and emaciation were observed in some of the nu/nu mice, but not in the nu/+ mice. Mycoplasmas were isolated from joints and other tissues (including periarticular abscesses and eyelids) of infected nu/nu mice at higher frequencies as well as in greater quantities, and did not show any elimination trends for at least 20 weeks after inoculation. However, nu/+ mice, mycoplasmas were almost exclusively located in joints, and distribution of organisms to the other organs disappeared soon after the infection. Increases in complement-fixing antibody titers were not related to the inhibition of mycoplasmal spread. Thymus-dependent functions that may in some way prevent growth and spread of mycoplasmas in mice are discussed.

Abscess↗
PubMed1994

Intranasal inoculation of Mycoplasma pulmonis in mice with severe combined immunodeficiency (SCID) causes a wasting disease with grave arthritis.

Mycoplasma pulmonis or Myc. pneumoniae were inoculated intranasally to C.B-17 scid/scid mice (severe combined immunodeficient (SCID) mice). Immunocompetent C.B-17 mice were inoculated as controls. During the observation period of 5 weeks the mice were killed and necropsied. Mycoplasma pulmonis was recovered from all of the inoculated mice, and dissemination to various tissues increased with time. SCID mice, unlike immunocompetent mice, did not show lung lesions but exhibited severe inflammatory changes of the joints. Mycoplasma pulmonis, however, was isolated both from the lungs and the articular lesions. In addition, SCID mice infected for more than 3 weeks suffered from a pronounced loss of weight and emaciation. In the experiment with Myc. pneumoniae the agent could be reisolated, but lesions were not found in any of the infected mice. Mycoplasma pulmonis infection in SCID mice may be useful as a model of arthritis in immunodeficient humans.

Administration, Intranasal↗
PubMed2005

Infectious pancreatic necrosis in Atlantic salmon, Salmo salar L.

A clinical and histopathological review was carried out of 21 outbreaks of acute infectious pancreatic necrosis (IPN) in Scottish Atlantic salmon, Salmo salar L., farms (13 marine and eight fresh water) during 1991-2004. A distinctive syndrome was evident in both post-smolts in sea water and fry in fresh water, where liver lesions, which had not previously been associated with IPN, became a consistent finding in addition to the more typical pancreatic and intestinal changes. Initial cases were described in post-smolts in Shetland, but by the end of the period of investigation this type of pathology had extended down the West coast of Scotland and into Ireland. Limited viral strain analysis suggested that similar strains were involved in both fresh water and sea water and that these differed from earlier isolates from rainbow trout, Oncorhynchus mykiss (Walbaum). In fresh water, recovered fish frequently developed a greatly distended intestine associated with accumulation of undigested food. In sea water, after the initial, often significant (50% or more), losses, there were many fish which failed to grow and became chronically emaciated and prone to sea louse infection. Although use of transfer diets containing immune enhancers and the selection of IPN resistant broodstock has reduced losses the disease remains a serious cause of economic loss.

Animals↗
PubMed1984

Standardization of an experimental disease model of Streptococcus zooepidemicus in the equine.

A reproducible experimental disease model in horses using Streptococcus zooepidemicus was developed. An intravenous challenge dose of 1 X 10(10) colony-forming units (CFU), followed 24 h later with another challenge of 1 X 10(8) CFU of Strep. zooepidemicus produced the desired disease model. The disease was characterized by depression, pyrexia, anorexia, abnormal lung sounds, inflammation of joints, moderate to severe lameness, gradual loss of condition and emaciation. The effects of the disease on hematology, serum chemical profile and different protein fractions were studied. The disease state had no effect on serum glucose, sodium, potassium, chloride, urea nitrogen, creatinine, uric acid, calcium, phosphorus and enzymes SGOT or SGPT. However, the alkaline phosphatase showed a gradual decline. The serum iron levels dropped markedly and remained low to the last day of observations (post-infection day, PID 13). On serum protein electrophoresis, the albumin showed a gradual decrease; whereas, alpha II, beta and gamma globulin levels rose suggesting an immune response. The elevation of rectal temperatures and white blood cell counts related well with clinical observations. The serum iron levels proved very helpful in predicting the severity of clinical signs and often dropped before the onset of clinical signs and pyrexia.

Animals↗
PubMed1979

Hallervorden-Spatz disease.

We had the opportunity to study a family, five of whose members were affected by the Hallervorden-Spatz disease (three males and twin girls). The characteristics of the condition were analyzed and compared with those cases considered by other authors to be affected by the condition. Intrafamilial and interfamilial variations were analysed, and it was the latter that contributed most to the overall variation of the condition. It was clearly established from the reported cases and our family that this is an autosomal recessive condition (P greater than 0.23 +/- 0.08). It is suggested that the condition probably originated in Europe and that it is caused by an inborn error of metabolism related to neuromelanin and the dopaminergic system. The condition affects the muscular tone and voluntary movements progressively, making voluntary coordinated movements, and chewing and swallowing almost impossible, and in the last part of its development mental deterioration, emaciation, severe feeding difficulties and visual impairment are common clinical manifestations. The ages of both onset and death are distributed in a unimodal curve. The mean survival time after diagnosis was 11.18 +/- 7.8 years.

Basal Ganglia Diseases↗
PubMed1998

Diagnosis of diabetes mellitus in a bull by means of butyrate infusion.

A 9-month-old bull was presented with a history of runting and glucosuria. The bull showed major signs of diabetes mellitus, such as polyuria, polydipsia, polyphagia, emaciation, glucosuria, and ketonuria, but persistent hyperglycemia was missing. Because in an intravenous glucose tolerance test glucose disappearance was only insignificantly more rapid in a non-diabetic age-matched control than in the diabetic bull a butyrate-stimulated insulin response test was performed. Insulin response to butyrate infusion was markedly impaired in the diabetic bull compared with the non-diabetic bull. At necropsy hepatic cirrhosis was noticed and suggestive signs for diabetes mellitus were seen in liver and kidneys.

Animals↗
PubMed2005

Systemic AA-amyloidosis in a European wild boar (Sus scrofa) suffering from generalized tuberculosis.

Summary An adult female wild boar (Sus scrofa) was found moribund in Cabaneros National Park (central Spain). The animal had a markedly emaciated carcass, with body weight of 25.9 kg. At necropsy, most of the parenchymatous organs had widespread variably sized granulomas. Generalized tuberculosis was confirmed by PCR detection of Mycobacterium bovis in the mandibular lymph node. Large amounts of a hyaline, pale eosinophilic material were observed in liver, kidney and intestine. Congo red staining and green birefringence identified amyloid, which was further classified as AA type based on immunohistochemical results. It is speculated that the abundant serum amyloid A derivatives deposited in the tissues as AA-amyloid may be associated with the generalized tuberculosis. This is the first report of amyloidosis in the European wild boar.

Amyloidosis↗
PubMed1990

Experimental scrapie in white Swiss mice.

In order to confirm the clinical and histological diagnosis of scrapie and to determine the infectivity titer of the scrapie agent in the brain of a naturally infected Suffolk sheep, 123 white Swiss mice were inoculated intracerebrally. From about 13 to 20 months post-inoculation, 28 mice died, and 95 that were sick were killed. In the terminal stages of disease, the mice developed weakness, gradual emaciation, posterior ataxia, and occasionally alopecia. The average infection (83%) of mice affected with scrapie occurred in groups 1 to 4 inoculated with dilution 10(-1) to 10(-4) of scrapie sheep brain. Sixty-seven (54.5%) of the mice developed spongiform lesions and vacuolar degeneration of neurons. Similarities of scrapie with other subacute spongiform encephalopathies in animals and humans are discussed.

Animals↗
PubMed2006

Outbreak of tuberculosis caused by Mycobacterium caprae in a zoological garden.

In the autumn of 2004, tuberculosis caused by Mycobacterium caprae occurred in a zoo in Slovenia. A dromedary camel (Camelus dromedarius) was killed after a history of progressive emaciation. Necropsy findings indicated disseminated tuberculosis, which was confirmed by cultivation of M. caprae. Consequently, a tuberculin skin test was performed in all epidemiologically linked animals and another dromedary camel and six bison (Bison bison) were positive and killed. Mycobacterium caprae was isolated from two bison while M. scrofulaceum and Mycobacterium spp. were found in two other bison, respectively. The second dromedary camel was found to be negative for mycobacteria under both microscopic and culture tests. The isolates were investigated with commercial identification kits, IS6110 PCR, IS6110 restriction fragment length polymorphism analysis, spoligotyping and mycobacterial interspersed repetitive units typing. Genotyping results revealed that the dromedary camel and the two bison were infected by the same M. caprae.

Animals↗