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1.
Biomed Res Int ; 2018: 8692078, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-30105256

RESUMO

The mechanisms by which hypoglycemia increases cardiovascular mortality remain unclear. The aim of the study is to investigate changes in serum electrolytes, norepinephrine concentrations, electrocardiography, and baroreflex sensitivity (BRS) and associations between corrected QT (QTc) intervals and the changes in serum electrolytes during combined pituitary stimulation test (CPST). We recruited the subjects who were admitted to the Gyeongsang National University Hospital to undergo CPST between September 2013 and December 2014. Participants were 12 patients suspected of having hypopituitarism. Among 12 patients, cardiac arrhythmia in two patients occurred during hypoglycemia. There were significant differences in serum levels of potassium (P < 0.001), sodium (P = 0.003), chloride (P = 0.002), and calcium (P = 0.017) at baseline, hypoglycemia, and 30 and 120 minutes after hypoglycemia. Also, there was a significant increase in heart rate (P = 0.004), corrected QT (QTc) interval (P = 0.008), QRS duration (P = 0.021), and BRS (P = 0.005) at hypoglycemia, compared to other time points during CPST. There was a positive association between QTc intervals and serum sodium levels (P < 0.001) in 10 patients who did not develop arrhythmia during CPST. This study showed that there were significant changes in serum levels of potassium, sodium, chloride, and calcium, as well as heart rate, QTc interval, QRSd, and BRS during CPST. It was revealed that QTc intervals had a significant association with concentrations of sodium.


Assuntos
Arritmias Cardíacas , Barorreflexo , Eletrocardiografia , Hipopituitarismo/fisiopatologia , Adulto , Eletrólitos/sangue , Feminino , Frequência Cardíaca , Humanos , Hipopituitarismo/diagnóstico , Masculino , Pessoa de Meia-Idade , Adulto Jovem
2.
Intern Med ; 54(19): 2471-4, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-26424306

RESUMO

Endocrine diseases are frequently accompanied by diabetes mellitus and treatment of an underlying endocrine disease often improves glucose control. The co-occurrence of acromegaly and Cushing's syndrome is extremely rare. We herein describe a patient who showed a dramatic improvement in glucose control following treatment for co-existing acromegaly and Cushing's syndrome. An adrenal mass was incidentally discovered during a routine evaluation of a 56-year-old woman who was subsequently diagnosed with acromegaly and a unilateral cortisol-producing adrenal adenoma. Her blood glucose was poorly controlled despite receiving high-dose insulin therapy. After undergoing adrenalectomy for Cushing's syndrome, her insulin dosage was decreased by almost 50%. The insulin treatment was discontinued following the treatment of acromegaly.


Assuntos
Acromegalia/diagnóstico , Adrenalectomia , Glicemia/metabolismo , Síndrome de Cushing/cirurgia , Diabetes Mellitus Tipo 2/cirurgia , Hemoglobinas Glicadas/metabolismo , Hipoglicemiantes/administração & dosagem , Insulina/administração & dosagem , Acromegalia/complicações , Acromegalia/cirurgia , Síndrome de Cushing/complicações , Síndrome de Cushing/diagnóstico , Diabetes Mellitus Tipo 2/sangue , Relação Dose-Resposta a Droga , Feminino , Humanos , Hidrocortisona , Achados Incidentais , Imageamento por Ressonância Magnética , Pessoa de Meia-Idade , Indução de Remissão
3.
Infect Chemother ; 47(3): 194-6, 2015 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-26483995

RESUMO

Roseomonas are a gram-negative bacteria species that have been isolated from environmental sources. Human Roseomonas infections typically occur in immunocompromised patients, most commonly as catheter-related bloodstream infections. However, Roseomonas infections are rarely reported in immunocompetent hosts. We report what we believe to be the first case in Korea of infectious spondylitis with bacteremia due to Roseomonas mucosa in an immunocompetent patient who had undergone vertebroplasty for compression fractures of his thoracic and lumbar spine.

4.
Endocrinol Metab (Seoul) ; 28(3): 231-5, 2013 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-24396684

RESUMO

Primary hyperparathyroidism occurs as a result of isolated parathyroid adenoma in 80% to 85% of all cases. A (99m)technetium ((99m)Tc) sestamibi scan or neck ultrasonography is used to localize the neoplasm prior to surgical intervention. A 53-year-old female was referred for the exclusion of metabolic bone disease. She presented with low back pain that had persisted for the past 6 months and elevated serum alkaline phosphatase (1,253 IU/L). Four years previously, she had been diagnosed at a local hospital with a 2.3-cm thyroid nodule, which was determined to be pathologically benign. Radiofrequency ablation was performed at the same hospital because the nodule was still growing during the follow-up period 2 years before the visit to our hospital, and the procedure was unsuccessful in reducing the size of the nodule. The results of the laboratory tests in our hospital were as follows: serum calcium, 14.6 mg/dL; phosphorus, 3.5 mg/dL; and intact parathyroid hormone (iPTH), 1,911 pg/mL. Neck ultrasonography and (99m)Tc sestamibi scan detected a 5-cm parathyroid neoplasm in the left lower lobe of the patient's thyroid; left parathyroidectomy was performed. This case indicated that thyroid ultrasonographers and pathologists need to be experienced enough to differentiate a parathyroid neoplasm from a thyroid nodule; (99m)Tc sestamibi scan, serum calcium, and iPTH levels can help to establish the diagnosis of parathyroid neoplasm.

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