Diagnosis and Treatment > Medication > Saline
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Search for other papers by Miriam Hinaa Ahmad in
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Search for other papers by Ismat Shafiq in
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Summary
We report a case of a 21-year-old African American female with history of pre-diabetes, and a diagnosis of a rare leukemia, blastic-plasmacytoid dendritic neoplasm (BPDCN), who developed diabetic ketoacidosis (DKA) after the third dose of PEG-asparaginase infusion. She was successfully treated with insulin. Asparaginase is a vital part of treatment protocols for acute lymphoblastic leukemia (ALL) in combination with other chemotherapeutic drugs. Asparaginase therapy has been reported to cause hyperglycemia especially when used in conjunction with glucocorticoids for the treatment of ALL in the pediatric population. Multiple mechanisms for hyperglycemia have been hypothesized which include decreased insulin secretion, impaired insulin receptor function and excess glucagon formation. Hyperglycemia is usually self-limiting but can deteriorate to diabetic ketoacidosis. DKA is a rare adverse effect with asparaginase therapy with an incidence rate of about 0.8%.
Learning points:
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DKA is a rare finding following asparaginase therapy.
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Hyperglycemia is most commonly seen with asparaginase treatment when used along with glucocorticoid.
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Frequent blood glucose monitoring and prompt initiation of insulin treatment with hyperglycemia can prevent severe complications.
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Patients and physician education on this complication can reduce morbidity due to DKA.
Search for other papers by Theresa Penger in
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Search for other papers by Andrea Albrecht in
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Search for other papers by Michaela Marx in
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Search for other papers by Daniel Stachel in
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Search for other papers by Markus Metzler in
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Search for other papers by Helmuth G Dörr in
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Summary
We report on a boy of Albanian descent with the history of juvenile myelomonocytic leukemia (JMML). JMML was diagnosed at the age of 17 months and treated by hematopoietic stem cell transplantation (HSCT). At the age of 14.3 years, about 12 years after HSCT, he was hospitalized with an adrenal crisis. Hormone findings were consistent with primary adrenal insufficiency. Autoimmune adrenalitis was confirmed by positive autoantibodies against 21-hydroxylase and adrenal tissue. Since autoimmune Hashimoto thyroiditis was already known from the age of 9 years, we assume that both diseases are part of the spectrum of autoimmune polyglandular syndrome (APS) type 2. APS type 2 is a rare endocrine disease characterized by Addison’s disease along with autoimmune thyroid disease and/or type 1 diabetes.
Learning points:
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Endocrine sequelae after hematopoietic stem cell transplantation (HSCT) are common and can develop over a long period.
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Primary adrenal insufficiency after HSCT is absolutely rare.
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The combination of adrenal autoimmune disease and Hashimoto thyroiditis is consistent with autoimmune polyglandular syndrome type 2.
Search for other papers by Snezana Burmazovic in
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Search for other papers by Christoph Henzen in
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Search for other papers by Lukas Brander in
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Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine, Monash University, Prahran, Australia
Search for other papers by Luca Cioccari in
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Summary
The combination of hyperosmolar hyperglycaemic state and central diabetes insipidus is unusual and poses unique diagnostic and therapeutic challenges for clinicians. In a patient with diabetes mellitus presenting with polyuria and polydipsia, poor glycaemic control is usually the first aetiology that is considered, and achieving glycaemic control remains the first course of action. However, severe hypernatraemia, hyperglycaemia and discordance between urine-specific gravity and urine osmolality suggest concurrent symptomatic diabetes insipidus. We report a rare case of concurrent manifestation of hyperosmolar hyperglycaemic state and central diabetes insipidus in a patient with a history of craniopharyngioma.
Learning points:
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In patients with diabetes mellitus presenting with polyuria and polydipsia, poor glycaemic control is usually the first aetiology to be considered.
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However, a history of craniopharyngioma, severe hypernatraemia, hyperglycaemia and discordance between urine-specific gravity and osmolality provide evidence of concurrent diabetes insipidus.
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Therefore, if a patient with diabetes mellitus presents with severe hypernatraemia, hyperglycaemia, a low or low normal urinary-specific gravity and worsening polyuria despite correction of hyperglycaemia, concurrent diabetes insipidus should be sought.
Department of Medicine, Endocrinology Division, Lebanese University, Hadath, Lebanon
Endocrinology Department, Rafic Hariri University Hospital, Beirut, Lebanon
Search for other papers by Carine Ghassan Richa in
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Department of Medicine, Endocrinology Division, Lebanese University, Hadath, Lebanon
Endocrinology Department, Mount Lebanon Hospital, Beirut, Lebanon
Search for other papers by Khadija Jamal Saad in
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Department of Radiology, Beirut Governmental University Hospital, Beirut, Lebanon
Diagnostic Radiology, Radiology Department
Search for other papers by Ali Khaled Chaaban in
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Department of Medicine, Endocrinology Division, Lebanese University, Hadath, Lebanon
Clinical Endocrinology, Endocrinology Department, Rafic Hariri University Hospital, Beirut, Lebanon
Search for other papers by Mohamad Souheil El Rawas in
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Summary
The objective of the study is to report a case of acute pancreatitis secondary to hypercalcemia induced by primary hyperparathyroidism in a pregnant woman at the end of the first trimester. The case included a 32-year-old woman who was diagnosed with acute pancreatitis and severe hypercalcemia refractory to many regimens of medical therapy in the first trimester of pregnancy. She was successfully treated with parathyroidectomy in the early second trimester with complete resolution of hypercalcemia and pancreatitis. Neonatal course was unremarkable. To our best knowledge, this is a rare case when primary hyperparathyroidism and its complications are diagnosed in the first trimester of pregnancy. In conclusion, primary hyperparathyroidism is a rare life-threatening condition to the fetus and mother especially when associated with complications such as pancreatitis. Early therapeutic intervention is important to reduce the morbidity and mortality. Parathyroidectomy performed in the second trimester can be the only solution.
Learning points:
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Learning how to make diagnosis of primary hyperparathyroidism in a woman during the first trimester of pregnancy.
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Understanding the complications of hypercalcemia and be aware of the high mortality and sequelae in both fetus and mother.
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Providing the adequate treatment in such complicated cases with coordinated care between endocrinologists and obstetricians to ensure optimal outcomes.
Search for other papers by Ploutarchos Tzoulis in
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Search for other papers by Richard W Corbett in
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Search for other papers by Swarupini Ponnampalam in
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Search for other papers by Elly Baker in
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Search for other papers by Daniel Heaton in
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Search for other papers by Triada Doulgeraki in
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Search for other papers by Justin Stebbing in
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Summary
Five days following the 3rd cycle of nivolumab, a monoclonal antibody, which acts as immune checkpoint inhibitor against the programmed cell death protein-1, for metastatic lung adenocarcinoma, a 56-year-old woman presented at the hospital critically ill. On admission, she had severe diabetic ketoacidosis (DKA), as evidenced by venous glucose of 47 mmol/L, blood ketones of 7.5 mmol/L, pH of 6.95 and bicarbonate of 6.6 mmol/L. She has had no personal or family history of diabetes mellitus (DM), while random venous glucose, measured 1 week prior to hospitalisation, was 6.1 mmol/L. On admission, her HbA1c was 8.2% and anti-GAD antibodies were 12 kIU/L (0–5 kU/L), while islet cell antibodies and serum C-peptide were undetectable. Nivolumab was recommenced without the development of other immune-mediated phenomena until 6 months later, when she developed hypothyroidism with TSH 18 U/L and low free T4. She remains insulin dependent and has required levothyroxine replacement, while she has maintained good radiological and clinical response to immunotherapy. This case is notable for the rapidity of onset and profound nature of DKA at presentation, which occurred two months following commencement of immunotherapy. Despite the association of nivolumab with immune-mediated endocrinopathies, only a very small number of patients developing type 1 DM has been reported to date. Patients should be closely monitored for hyperglycaemia and thyroid dysfunction prior to and periodically during immunotherapy.
Learning points:
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Nivolumab can induce fulminant type 1 diabetes, resulting in DKA.
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Nivolumab is frequently associated with thyroid dysfunction, mostly hypothyroidism.
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Nivolumab-treated patients should be monitored regularly for hyperglycaemia and thyroid dysfunction.
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Clinicians should be aware and warn patients of potential signs and symptoms of severe hyperglycaemia.
Msc Metabolic Bone Diseases, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
Search for other papers by Nikolaos Asonitis in
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Msc Metabolic Bone Diseases, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
Search for other papers by Eva Kassi in
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Search for other papers by Michalis Kokkinos in
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Search for other papers by Ilias Giovanopoulos in
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Search for other papers by Foteini Petychaki in
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Search for other papers by Helen Gogas in
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Summary
Hypercalcemia of malignancy is the most common cause of hypercalcemia in hospitalized patients. It is associated with a poor prognosis, since it reflects an advanced cancer stage. Among all cancer in females, breast cancer is the most common malignancy, and it has the highest prevalence of hypercalcemia. Approximately 70% of patients with breast cancer have bone metastases and 10% of them will have hypercalcemia as a complication at some point in the disease. Herein, we report a 69-year-old female patient with metastatic breast cancer, who developed severe hypercalcemia in the course of her disease and was diagnosed with humoral hypercalcemia of malignancy (HHM). Intense hydration along with corticoisteroids and antiresorptive medication (calcitonin, bisphosphonates and denosumab) were administered to the patient. Despite the above treatment, serum calcium levels remain elevated and calcimimetic cinacalcet was added. Upon discontinuation of cinacalcet, calcium levels were raised and returned back to the normal levels following re-initiation of the calcimimetic. Her calcium level restored to normal, and she was discharged with the following medical treatment: denosumab monthly, and cinacalcet at a titrated dose of 90 mg per day. The patient is followed as an outpatient and 11 months later, her calcium level remained within the normal range.
Learning points:
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Hypercalcemia of malignancy is the most common cause of hypercalcemia in hospitalized patients.
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Breast cancer has the highest prevalence of hypercalcemia.
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The cornerstone of therapy remains the intense hydration and intravenous bisphosphonates (preferably zoledronic acid).
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In case of persistent hypercalcemia of malignancy, the administration of calcimimetic cinacalcet could be an additional effective therapeutic option.
Search for other papers by Joseph Cerasuolo in
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Search for other papers by Anthony Izzo in
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Summary
Acute hyperglycemia has been shown to cause cognitive impairments in animal models. There is growing appreciation of the numerous effects of hyperglycemia on neuronal function as well as blood–brain barrier function. In humans, hypoglycemia is well known to cause cognitive deficits acutely, but hyperglycemia has been less well studied. We present a case of selective neurocognitive deficits in the setting of acute hyperglycemia. A 60-year-old man was admitted to the hospital for an episode of acute hyperglycemia in the setting of newly diagnosed diabetes mellitus precipitated by steroid use. He was managed with insulin therapy and discharged home, and later, presented with complaints of memory impairment. Deficits included impairment in his declarative and working memory, to the point of significant impairment in his overall functioning. The patient had no structural lesions on MRI imaging of the brain or other systemic illnesses to explain his specific deficits. We suggest that his acute hyperglycemia may have caused neurological injury, and may be responsible for our patient’s memory complaints.
Learning points:
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Acute hyperglycemia has been associated with poor outcomes in several different central nervous system injuries including cerebrovascular accident and hypoxic injury.
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Hyperglycemia is responsible for accumulation of reactive oxygen species in the brain, resulting in advanced glycosylated end products and a proinflammatory response that may lead to cellular injury.
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Further research is needed to define the impact of both acute and chronic hyperglycemia on cognitive impairment and memory.
Thyroid Research Group, Division of Infection and Immunity, School of Medicine, Cardiff University, Heath Park, Cardiff, UK
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Search for other papers by Sasan Dehbozorgi in
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Search for other papers by Harsh Bhatt in
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Search for other papers by Pranav Kumar in
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Thyroid Research Group, Division of Infection and Immunity, School of Medicine, Cardiff University, Heath Park, Cardiff, UK
Search for other papers by Mohd S Draman in
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Search for other papers by Alastair Watt in
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Institute of Neuroscience and Mental Health Research Institute, School of Medicine, Cardiff University, Cardiff, UK
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Search for other papers by Caroline Hayhurst in
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Search for other papers by Stephen Davies in
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Summary
Hyponatraemia is the most commonly encountered electrolyte disturbance in neurological high dependency and intensive care units. Cerebral salt wasting (CSW) is the most elusive and challenging of the causes of hyponatraemia, and it is vital to distinguish it from the more familiar syndrome of inappropriate antidiuretic hormone (SIADH). Managing CSW requires correction of the intravascular volume depletion and hyponatraemia, as well as mitigation of on-going substantial sodium losses. Herein we describe a challenging case of CSW requiring large doses of hypertonic saline and the subsequent substantial benefit with the addition of fludrocortisone.
Learning points:
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The diagnosis of CSW requires a high index of suspicion. Distinguishing it from SIADH is essential to enable prompt treatment in order to prevent severe hyponatraemia.
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The hallmarks of substantial CSW are hyponatraemia, reduced volume status and inappropriately high renal sodium loss.
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Substantial volumes of hypertonic saline may be required for a prolonged period of time to correct volume and sodium deficits.
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Fludrocortisone has a role in the management of CSW. It likely reduces the doses of hypertonic saline required and can maintain serum sodium levels of hypertonic saline.
Search for other papers by Victoria John in
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Search for other papers by Philip Evans in
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Search for other papers by Atul Kalhan in
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Summary
A 65-year-old woman was admitted to the emergency unit with a 48 h history of generalised weakness and confusion. On examination, she had mild slurring of speech although there was no other focal neurological deficit. She had profound hyponatraemia (serum sodium level of 100 mmol/L) on admission with the rest of her metabolic parameters being within normal range. Subsequent investigations confirmed the diagnosis of small-cell lung cancer with paraneoplastic syndrome of inappropriate antidiuresis (SIAD). She was monitored closely in high-dependency unit with an attempt to cautiously correct her hyponatraemia to prevent sequelae associated with rapid correction. The patient developed prolonged psychosis (lasting over 2 weeks) and displayed delayed dyskinetic movements, even after a gradual increase in serum sodium levels close to 130 mmol/L. To our knowledge, delayed neurological recovery from profound hyponatraemia (without long-term neurological sequelae) has previously not been reported. This case should alert a clinician regarding the possibility of prolonged although reversible psychosis and dyskinetic movements in a patient presenting with profound symptomatic hyponatraemia.
Learning points:
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Patients with profound hyponatraemia may develop altered sensorium, dyskinesia and psychotic behaviour.
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Full recovery from psychotic symptoms and dyskinesia may be delayed despite cautious correction of serum sodium levels.
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Careful and close monitoring of such patients can help avoid long-term neurological sequelae.
Search for other papers by Benjamin G Challis in
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Search for other papers by Chung Thong Lim in
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Search for other papers by Ewen Cameron in
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Search for other papers by Stephen O’Rahilly in
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Summary
McKittrick–Wheelock syndrome (MWS) is a rare consequence of severe dehydration and electrolyte depletion due to mucinous diarrhoea secondary to a rectosigmoid villous adenoma. Reported cases of MWS commonly describe hypersecretion of mucinous diarrhoea in association with dehydration, hypokalaemia, hyponatraemia, hypochloraemia and pre-renal azotemia. Hyperglycaemia and diabetes are rarely reported manifestations of MWS. Herein we describe the case of a 59-year-old woman who presented with new-onset diabetes and severe electrolyte derangement due to a giant rectal villous adenoma. Subsequent endoscopic resection of the tumour cured her diabetes and normalised electrolytes. This case describes a rare cause of ‘curable diabetes’ and indicates hyperaldosteronism and/or whole-body potassium stores as important regulators of insulin secretion and glucose homeostasis.
Learning points
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McKittrick–Wheelock syndrome (MWS) is typically characterised by the triad of pre-renal failure, electrolyte derangement and chronic diarrhoea resulting from a secretory colonic neoplasm.
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Hyperglycaemia and new-onset diabetes are rare clinical manifestations of MWS.
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Hyperaldosteronism and/or hypokalaemia may worsen glucose tolerance in MWS.
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Aggressive replacement of fluid and electrolytes is the mainstay of acute management, with definitive treatment and complete reversal of the metabolic abnormalities being achieved by endoscopic or surgical resection of the neoplasm.
