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The Northwest Regional Screening Program to detect congenital hypothyroidism in infants born in Oregon, Montana, Alaska, and Idaho (combined birthrate of 69,000/ yr) was added to our ongoing screening program in 1975. The program utilizes dried blood filter paper specimens collected routinely in the first few days of life in all four states and again at about 6 weeks of age in Oregon only. The screening test consist of an initial thyroxine (T4) measurement; a thyroid-stimulating hormore (TSH) determination is performed on those specimens with T4 concentrations in the lowest 3% group. Serum samples obtained by venipuncture are requested for confirmation of the diagnosis. In the first two years of the program, 25 infants with primary hypothyroidism were detected amont 110,667 infants screened, a frequency of 1:4,430. Fourteen cases of thyroxine-binding globulin deficiency were also detected, a frequency of 1:7,900. Using the T4 followed by TSH testing approach, the frequency of request for repeat specimens was 0.4% in Oregon and 0.05% in the other states. The cost per specimen was $1.96. The majority of infants lacked clinical signs or symptoms of hypothyroidism; only one infant was clinically suspected of having hypothyroidism prior to detection. The most common neonatal symptoms were constipation, lethargy, and prolonged jaundice, while the most common physical signs were hypotonia, umbilical hernia, and large fontanels. Thyroid scans showed the most common etiology to be thyroid aplasia, followed by an ectopic gland, hypoplasia, and goiter. Serum T4 concentrations were lowest in those infants with aplasia, intermediate in infants with an ectopic gland or hypoplasia, and normal in the infant with the goiter. Neonatal hypothyroidism varies in degree and has several different causes; the capacity to secrete thyroid hormone, the duration before hypothyroidism becomes clinically manifest, and possibly the eventual prognosis for intellectual function depend on the nature of the underlying cause. While the mean age at treatment was 59 days, the goal of diagnosing congenital hypothyroidism and treating affected infants by 1 month of age seems realistic.
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PMID:Neonatal hypothyroidism detected by the Northwest Regional Screening Program. 10 59

A diaphragmatic hernia in which 90% of the large colon had herniated through a 16-cm linear tear in the diaphragm was found in a 12-year-old Quarter Horse mare. Clinical signs included lethargy and exercise intolerance. Diagnosis of diaphragmatic hernia was made based on careful thoracic auscultation, combined with ultrasonographic and radiographic examination of the thorax.
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PMID:Diaphragmatic herniation as a cause of lethargy and exercise intolerance in a mare. 164 72

The relationships between biochemical severity of hypothyroidism (as judged by plasma thyroxine) and the clinical and radiographic findings at diagnosis were evaluated in 449 infants born in 1982-4 with congenital hypothyroidism identified by neonatal screening. Details of pregnancy, delivery, and the neonatal period were also examined and compared with the findings in a normal population of 36,727 infants born in 1988. Infants with plasma thyroxine values of 30 nmol/l or less had a significantly higher incidence of prolonged jaundice, feeding difficulties, lethargy, umbilical hernia and macroglossia, showed more severe delay of bone maturation on a knee radiograph, and had a higher proportion of thyroid agenesis on isotope scan. In contrast, an ectopic or hypoplastic gland was more common in infants with plasma thyroxine values above 30 nmol/l. Prevalence of illness in pregnancy and mode of delivery was not related to severity of hypothyroidism and were similar to figures for the normal population. Induction of labour, gestation over 40 weeks, and birth weight above 3500 g were significantly more common in the hypothyroid infants. Perinatal illness and congenital malformations were more common in the infants with low plasma thyroxine values at diagnosis.
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PMID:Congenital hypothyroidism detected by neonatal screening: relationship between biochemical severity and early clinical features. 173 45

A female cockatiel had a 2-week history of abdominal distention, lethargy, and diarrhea. The cockatiel had a history of frequent egg-laying, and the owner suspected that she was egg-bound. A solid mass was removed through the cloaca and found to be a concretion of urates that had formed within a hernial pouch of the caudal abdominal musculature. Diagnosis was aided by contrast radiography, and surgery was performed. However, the abdominal hernias recurred 16 months later. The continual egg-laying probably predisposed this bird to hernia formation. Abdominal hernias in birds may be a consequence of continual egg-laying and associated hormonal effects leading to a weakening of abdominal musculature.
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PMID:Abdominal hernia with formation of a urate concretion in a cockatiel. 379 78

A male infant with secondary hypothyroidism is described. Within the first month after birth, the patient manifested feeding difficulties, lethargy, persistent jaundice, umbilical hernia, and large anterior and open posterior fontanels. The roentgenogram of the knee joints at 27 days showed absence of the distal femoral epiphyses. His serum thyroid-stimulating hormone (TSH) level was low despite decreased levels of triiodothyronine (T3) and tetraiodothyronine (T4) in serum. Assessment of the hypothalamic-pituitary hormone (TRH) nor growth hormone (GH) responses to L-arginine and insulin, while responses of both luteinizing hormone (LH) and follicle-stimulating hormone (FSH) to luteinizing hormone-releasing hormone (LH-RH) and adrenocorticotropic hormone (ACTH) to insulin were within normal limits. The malady of the patient in this case was not detected by newborn screening for congenital hypothyroidism due to the fact that in the Aomori district of Japan thyroid screening involves only the measurement of TSH. Such measurement cannot detect cases of secondary or tertiary hypothyroidism such as our patient. Replacement therapy was initiated at 58 days and his physical and mental development has been regarded as normal since treatment.
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PMID:Congenital secondary hypothyroidism with low serum GH and prolactin levels in a 27-day-old male infant. 628 48

Twenty-three children from 8-60 months (mean age 21.13 months) admitted with neuromuscular manifestations of diarrhea related hypokalemia were studied. Forty four per cent cases were suffering from diarrhea at the time of admission but in majority of cases (56%), the diarrheal episode had already terminated. Mild hypokalemia was seen in 17.4%, moderate in 43.5% and severe in 39.1%. Neck flop was the commonest (100%) neuromuscular manifestations followed by diminished bowel sounds (82.6%), truncal weakness (52.2%), weakness of limbs (52.2%), lethargy (43. 5%), abdominal distension (43.5%), respiratory involvement (4.3%) and phantom hernia (4.3%). Two cases (8.7%) had flaccid paralysis of both the lower limbs. Severe hypokalemia was more frequently observed in children below 24 months of age and those who had received i.v. fluids or salt sugar solution before reporting in the hospital. A significant correlation was noticed between severity of hypokalemia and frequency of stools (p < 0.05), degree of dehydration (p < 0.01), severity of nutrition (p < 0.01) and extent of neuromuscular involvement (p < 0.01). Our results highlights the importance of diarrhea related hypokalemia particularly in young malnourished children who are rehydrated with solutions inadequate in potassium. Early diagnosis and appropriate treatment can promptly reverse these manifestations within 48-72 hours.
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PMID:Neuromuscular manifestations of diarrhea related hypokalemia. 863 3

Acute gastric volvulus in infancy is a rare disorder and a surgical emergency. Prompt clinical suspicion and radiological assessment are essential for this life-threatening condition. We report a 3-month-old female case, admitted for an initial suspicion of an intestinal obstruction. She presented unproductive retching, respiratory distress, epigastric distension and lethargy. It was not possible to introduce a naso-gastric tube. A radiological contrast study showed an occluded cardio-esophageal junction without passage of barium, two gastric fluid levels and a horizontally positioned stomach occupying the inferior portion of the left hemithorax, suggesting a left diaphragmatic hernia. Laparotomy revealed an acute mesenterico-axial gastric volvulus with a left posterolateral diaphragmatic hernia. The stomach volvulus was untwisted, the diaphragmatic defect was repaired after reduction of the herniated contents and no gastropexy was done. At 3 and 6-months follow-up examination the infant was asymptomatic and thriving.
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PMID:Acute gastric volvulus and congenital posterolateral diaphragmatic hernia. 916 58

Medical records of 34 dogs and 16 cats undergoing surgical repair of diaphragmatic hernia of >2 weeks' duration were reviewed, and long-term follow-up information was obtained. The most common clinical signs were dyspnea and vomiting; however, many of the animals were presented for nonspecific signs such as anorexia, lethargy, and weight loss. Thoracic radiographs revealed evidence of diaphragmatic hernia in only 66% of the animals, and additional imaging tests were often needed to confirm the diagnosis. Thirty-six hernias were repaired through a midline laparotomy; 14 required a median sternotomy combined with a laparotomy. In 14 animals, division of mature adhesions of the lungs or diaphragm to the herniated organs was necessary to permit reduction of the hernia. Fourteen animals required resection of portions of the lungs, liver, or intestine. All hernias were sutured primarily without the use of tissue flaps or mesh implants. Twenty-one of the animals developed transient complications in the postoperative period; the most common of these was pneumothorax. The mortality rate was 14%. Thirty-four (79%) of the animals that were discharged from the hospital had complete resolution of clinical signs, and none developed evidence of recurrent diaphragmatic hernia during the follow-up period. Nine were lost to follow-up.
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PMID:Chronic diaphragmatic hernia in 34 dogs and 16 cats. 1473 6

A 6-year-old desexed female German Shepherd dog was referred to the Murdoch University Veterinary Hospital for assessment and management of acute onset vomiting, diarrhoea, polydipsia and lethargy of 2 days duration. Surgical, microbiological and histological findings were consistent with necrotising cholecystitis secondary to gall bladder torsion, resulting in gall bladder rupture and secondary non-septic bile peritonitis. A chronic peritoneopleural perforation resulting from an abdominal cavity foreign body and congenital peritoneopericardial hernia were also present. The dog made a full recovery following cholecystectomy, foreign body removal, repair of the peritoneopleural perforation and peritoneopericardial herniorrhaphy. This is the first recorded case of gall bladder torsion in the dog.
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PMID:Gall bladder torsion and rupture in a dog. 1754 35

A 2-year-old dog was presented with a 3-month history of increasing respiratory effort and rate, inappetence, and lethargy. Chest radiographs demonstrated significant pleural effusion, which was consistent with chyle on biochemical and cytological evaluations. Further diagnostic evaluation, including a thoracic computed tomographic scan, revealed a peritoneopericardial diaphragmatic hernia (PPDH) resulting in a large, fat-attenuating mass within the pericardium. The dog was taken to surgery for repair of the PPDH, pericardectomy, and cisterna chyli ablation. Rapid and permanent resolution of the chylothorax occurred postoperatively. This is the first reported case of chylothorax secondary to PPDH.
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PMID:Chylothorax associated with a congenital peritoneopericardial diaphragmatic hernia in a dog. 1941 49


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