Endocrinology and Metabolism

Bong Yeon Cha (Cha BY)

11 Articles

Obesity and Metabolism
Olanzapine-Induced Diabetic Ketoacidosis and Neuroleptic Malignant Syndrome with Rhabdomyolysis: A Case Report: Young Kyoung Sa, Hyeon Yang, Hee Kyoung Jung, Jang Won Son, Seong Su Lee, Seong Rae Kim, Bong Yeon Cha, Ho Young Son, Chi-Un Pae, Soon Jib Yoo; Endocrinol Metab. 2013;28(1):70-75. Published online March 25, 2013; DOI: https://doi.org/10.3803/EnM.2013.28.1.70

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Atypical antipsychotics have replaced conventional antipsychotics in the treatment of schizophrenia because they have less of a propensity to cause undesirable neurologic adverse events including extrapyramidal symptoms, tardive dyskinesia, and neuroleptic malignant syndrome (NMS). However, atypical antipsychotics have been known to result in various metabolic complications such as impaired glucose tolerance, diabetes and even diabetic ketoacidosis (DKA). In addition, a number of NMS cases have been reported in patients treated with atypical antipsychotics, although the absolute incidence of neurologic side effects is currently significantly low. Here, we report a patient who simultaneously developed DKA, acute renal failure and NMS with rhabdomyolysis after olanzapine treatment. Olanzapine-induced metabolic complications and NMS were dramatically improved with cessation of the olanzapine treatment and initiation of supportive management including fluid therapy, hemodialysis, and intensive glycemic control using insulin. At short-term follow-up, insulin secretion was markedly recovered as evidenced by a restoration of serum C-peptide level, and the patient no longer required any hypoglycemic medications. Despite the dramatic increase in the use of atypical antipsychotics treatment, individualized treatments along with careful monitoring may be prudent for high risk or vulnerable patients in order to avoid the development of metabolic side effects.

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A Case of Cured Diabetes Mellitus after Pheochromocytoma Removal.: Chang Kyun Hong, Yu Bae Ahn, Sul Hye Kim, Young Sik Woo, Seoung Goo Lee, Seung Hyun Ko, Ho Ki Song, Kun Ho Yoon, Moo Il Kang, Bong Yeon Cha, Kwang Woo Lee, Ho Young Son, Sung Koo Kang; J Korean Endocr Soc. 2001;16(4-5):502-507. Published online October 1, 2001

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Abstract PDF: Pheochromocytoma is usually associated with a combination of various clinical manifestations caused by the overproduction of catecholamines. It is frequently accompanied by impaired glucose tolerance operating through 2-and-adrenergic mechanisms. A 41-year-old-woman was admitted to the hospital because of poorly-controlled diabetes mellitus and hypertension. She had suffered intermittent paroxysmal attacks of headache and chest discomfort and had been treated intermittently over a 2 year period for diabetes mellitus and hypertension. At admission, the levels of serum epinephrine, norepinephrine urinary excretion of total metanephrine, and VMA were all abnormally elevated. Adrenal CT showed a well-defined, homogenous mass in the right adrenal region and the tumor was diagnosed as pheochromocytoma. After tumor resection, the increased blood level of catecholamines, the urinary excretion of total metanephrine, and VMA were normalized, as was the hyperglycemia state. Diabetes mellitus of the patient was considered permanently resolved after tumor removal by the result of glucose tolerance in 75g oral glucose tolerance test.

The Short-term Effects of Bone Marrow Transplantation on Bone Metabolism.: Soon Jib Yoo, Yoo Bae Ahn, Kun Ho Yoon, Moo Il Kang, Kwang Woo Lee, Ho Young Son, Sung Koo Kang, Ki Ho Song, Yoon Hee Choi, Bong Yeon Cha, Hye Soo Kim, Ki Won Oh, Sung Dae Moon, Sang Ah Jang, Chun Choo Kim; J Korean Endocr Soc. 1999;14(2):355-364. Published online January 1, 2001

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Abstract PDF: BACKGROUND
The organ transplantation becomes the management of choice for many patients with chronic and life threatening heart, liver, kidney, bone marrow, and pancreatic diseases. A new set of side effects unique to this groups of patients has become recognized. Bone disease is one of these complications. It is well known that there is an interplay between the cells in the bone marrow and the surrounding bone tissue. Marrow stromal cells include the progenitors of the osteoblastic lineage are the sources of effector molecules that support and regulate both hematopoiesis and bone remodeling. But little is known about the effects of myeloablative treatment followed by bone marrow transplantation(BMT) on bone metabolism. METHODS: We have investigated prospectively in 29 patients undergoing BMT(4 autologous, 25 allogenic) for hematologic diseases(19 leukemia, 9 severe aplastic anemia, 1 myelodyspoietic syndrome). Serum concentrations of calcium, phosphorus, creatinine, gonadotropins, sex hormones and biochemical markers of bone turnover(osteocalcin and carboxyterminal cross-linked telopeptide of type I collagen(ICTP)] were measured. The samples were collected before BMT and 1, 2, 3, 4, 12 weeks, 6 months and 1 year thereafter. Bone mineral density was measured with DEXA(Dual Energy X-ray Absorptiometry) before and after 1 year of BMT. RESULTS: 1. ICIP was progressively increased until 4 weeks after BMT when peak values were reached. And then decreased thereafter and basal values were regained after 1 year. Osteocalcin was progressively decreased until 3 weeks after BMT when nadir values were reached. And then increased thereafter and basal values were regained after 3 months. No distinct differences were observed in serum biochemical turnover marker between both sexes and between patients who received total body irradiation and those who did not. 2. Lumbar BMD was 2.1% decreased from 1.113 +/- 0.132 g/cm to 1.089 +/- 0.137 g/cm, and femoral BMD was 6.2% decreased fiom 1.078 +/- 0.156 g/cm to 1.011 +/- 0.157 g/cm. 3. 92% of the women (11/12) became menopausal manifested by high gonadotropin and low estradiol levels immediately after BMT. In contrast to women, gonadotropins and testosterone levels were not changed significantly in men after BMT. CONCLUSION: The rapid impairment of bone formation and also increase in bone resorption, as mirrored by the biochemical markers in this study, might play a role for the post-BMT bone loss. Further studies over many patients with a longer follow up will be needed.

A Case of Traumatic Nonfuctional Adrenal Pseudocyst.: Soon Jib Yoo, Kwang Woo Lee, Ho Young Son, Sung Koo Kang, Bong Yeon Cha, Ho Jin Song, Jin No Park, Hyung Joon Kim, Jin Ah Kim, Il Young Park; J Korean Endocr Soc. 1998;13(4):659-664. Published online January 1, 2001

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Abstract PDF: The adrenal glands are rarely injured by blunt trauma, because they are well protected by the ribs, paraspinal muscles, and the overlying abdominal contents. Although most of adrenal cysts are clinically silent, the number of incidentally detected adrenal cysts have increased due to advanced and widespread application of various sensitive imaging methods. Recently, we have encountered a case of a 62-year-old man who have developed a left adrenal pseudoeyst one and a half months after the blunt trauma from a pedestrian traffic accident. The pseudocyst was non-functional and measured about 5 * 4 cm in size with the same fluid density of a gall bladder in abdominal computerized tomography(CT). Turbid cystic fluid was aspirated by CT-guided method, and the aspirate was composed of degenerated old blood cells without any malignant cells. Since the cyst was developed following trauma and its microscopic content showed blood cells, impending rupture was anticipated. Hence, a laparoscopic adrenalectomy was performed.

A Case of Autoimmune Hemolytic Anemia & Pericardial Effusion Developed in Hashimoto's Thyroiditis Patient.: Soon Jib Yoo, Moo Il Kang, Kwang Woo Lee, Ho Young Son, Sung Koo Kang, Bong Yeon Cha, Joo Yeon Choi, Kyung Ah Yoh, Ji Won Park, Jong Ryool Jin; J Korean Endocr Soc. 1998;13(4):622-628. Published online January 1, 2001

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Abstract PDF: Hashimotos thyroiditis has been associated with a various autoimmune disorders. The immunologic mechanisms involved in the pathogenesis of these disorders have not always been thought to be the same. Although it was demonstrated that there were high prevalence of abnormal thyroid function and autoantibody in autoimmune hemolytic anemia(AIHA) and Fisher-Evans syndrome(FES), AIHA combined with Hashimotos thyroiditis is rare in Korean literature. It was suggested that a common immunologic mechanism may be involved in the pathogenesis of both disease and the possibility of multiple autoimmune syndrome might present in autoimmune hematologic disorders. We experienced a 74-year old woman with a 12-year history of a hypothyroidism due to Hashimotos thyroiditis was hospitalized with sudden development of warm AIHA with positive Direct & Indirect Coombs test and pericardial effusion. Her thyroid function test showed subclinical hypothyroidism with the maintenance dosage of levothyroxine(100pg/day). With glucocorticoid and plasmapheresis, AIHA and pericardial effusion were corrected successfully. It is suggested that the prudent immunologic study is needed for the anemia developed in patients with Hashimotos thyroiditis with or without hypothyroidism.

A Case of Alstrom Syndrome.: Kun Ho Yoon, Ho Young Son, Sung Koo Kang, Yoon Hee Choi, Bong Yeon Cha, Hwan Suk Cho, Ki Bum Kim, Ji Ho Kang, Young Mi Choo, Sang Soo Bae; J Korean Endocr Soc. 1998;13(3):501-508. Published online January 1, 2001

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Abstract PDF: The Alstrom syndrome is inherited autosomal recessive disorder, characterized by obesity, diabetes mellitus, pigmentary retinal degeneration, normal intelligence, sensorineural hearing loss, baldness, acanthosis nigricans, male hypogonadism, hyperuricemia and hypertriglyceridemia. There is no reported case of Alstrom syndrome in Korea yet. We experienced a 29-year-old female patient with clinical characteristics similar to Alstrom syndrome who was admitted due to poorly controlled diabetes mellitus and diabetic retinopathy with hemorrhage. We report this case with the review of literatures.

A Case of SIADH Related to Drug-indeced Generalized Maculopapular Rash.: Soon Jib Yoo, Kwang Woo Lee, Ho Young Son, Sung Koo Kang, Bong Yeon Cha, Ho Jin Song, Joo Yeon Choi, Jin No Park, Dong Huh; J Korean Endocr Soc. 1998;13(2):240-246. Published online January 1, 2001

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Abstract PDF: Syndrome of inappropriate antidiutetic hormone(SIADH) secretion is the most common cause of hyponatremia in clinical medicine. Before diagnosis of the SIADH is made, other causes for a decreased diluting capacity and nonosmotic stimuli for AVP release need to be rule out. Disorders associated with SIADH can be divided into 4 major etiologic groups: malignancies, pulmonary diseases, central nervous disorders, and drugs. A 45-year-old woman was admitted due to maculopapular skin eruption and fever after taking medications for fever and myalgia. Generalized tonic clonic seizure was developed nine days later, and laboratory results showed marked hyponatremia. During the evaluation, treatment, and subsequent follow-up, the diagnosis of SIADH was confirmed, but the definitive cause was obscure. With fluid restriction, sodium replacement and demeclocycline therapy, she recovered completely 6 months later. We suggest that the SIADH might be related to drug-induced generalized maculopapular rash via menmgitis-like reaction in CSF as one of systemic adverse side effects to drugs rather than direct effect of related drugs.

A Case of Type II Autoimmune Polyglandular Syndrome: Acute adrenal crisis presented as the first manifestation of Addison's disease in a patient with diabetic ketoacidosis and hypgonadism.: Young Sook Lee, Jong Min Lee, Hyun Ok Park, Sung Kyu Park, Sung Ro Yoon, Seok Young Kim, Bong Yeon Cha, Kwang Woo Lee, Ho Young Son, Sung Koo Kang; J Korean Endocr Soc. 1998;13(1):115-120. Published online January 1, 2001

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Abstract PDF: Type II autoimmune polyglandular syndrome typically presents in adulthood. Insulin dependent diabetes mellitus and thyroid dysfunction are the most frequent manifestations. Addison's disease is the third major endocrine component of this disorder. In this report, we described a thirty-two year-old male patient who had hypogonadism, insulin dependent diabetes mellitus, and mild Addison's disease presenting its first manifestation as an acute adrenal crisis due to diabetic ketoacidosis. The ACTH concentration will be elevated early in the course of Addisons disease even before a significant reduction in the basal cortisol level or its response to exogenous ACTH occurs. Therefore, plasma ACTH measurements serve as a valuable screening study for Addisons disease.

A Case of Pheochromocytoma with Acute Myocardial Infarction.: Yoo Bae Ahn, Moo Il Kang, Kwang Woo Lee, Ho Young Son, Sung Koo Kang, Bong Yeon Cha, Baek Jong Seo, Ki Yook Jang, In Jae Yoon, Sang Jun Lee, Sun Sook Park, Yong Seok Oh; J Korean Endocr Soc. 1997;12(4):655-660. Published online January 1, 2001

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Abstract PDF: Pheochromocytoma, the catecholamine-producing tumor of chromaffin tissue, is associated with a curable form of hypertension. Recently we report the case of a 59 year-old male admitted for an acute myocardial infarction and who subsequently developed late recurrent severe ventricular arrhythmia coincident with transient hypertensive episodes. A pheochromocytoma was diagnosed on the basis of the urinary concentration of catecholamines and computerized tomography of the adrenal glands. After stabilization of his cardiac rhythm and blood pressure with alpha adrenergic blockade, the left adrenal gland, which contained the tumor, was subsequently resected. The diagnosis of a pheochromocytoma should be considered when recurrent ventricular arrhythmia are associated with intermittent hypertension after acute myocardial infarction.

A Case of Central Diabetes Insipidus Developed during Puerperium.: Soon Jib Yoo, Kwang Woo Lee, Ho Young Son, Sung Koo Kang, Myung Hee Chung, Bum Soon Choi, Bong Yeon Cha; J Korean Endocr Soc. 1997;12(2):315-320. Published online January 1, 2001

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Abstract PDF: Diabetic insipidus may first present before, during or immediately after pregnancy. Pregnancy serves as a physiologic provocation test that unmasks latent diabetes insipidus. It may explain the very rare first occurrence of diabetes insipidus in the pureperium. Central diabetes insipidus occurring after delivery associated with a catastrophic delivery and postpartum hypopituitarism is more frequent entity. We recently experienced central diabetes insipidus patient, aggrevated polyuria and polydipsia after total hysterectomy due to cervical carcinoma, who had interesting past history of severe polyuria and polydipsia developed during puerperium of 1st pregnancy, 14 years ago. She have had quiet normal pregnancy and there was no definite postpartum complication of pregnancy at that time. There were no change of polyuria and polydipsia during and after second pregnancy and 2 another pregnancy terminated artificially compare to puerperium of 1st delivery. She has intact anterior pituitary gland functinally and anatomically, but the posterior pituitary hyperintense signal with pre-enhance Tl-weighted imaging was absent on MRI.

diabetes insipidus during pregnancy.: Soon Jib Yoo, Je Young Woo, Hyun Shik Son, Bong Yeon Yoon, Moo Il Kang, Kwan Soo Hong, Bong Yeon Cha, Ho Young Son, Kwang Woo Lee, Sung Ku Kang; J Korean Endocr Soc. 1992;7(4):384-390. Published online January 1, 2001

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Abstract PDF: No abstract available.

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