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Neonatal sepsis is the cause of substantial morbidity and mortality. Precise estimates of neonatal sepsis burden vary by setting. Differing estimates of disease burden have been reported from high-income countries compared with reports from low-income and middle-income countries. The clinical manifestations range from subclinical infection to severe manifestations of focal or systemic disease. The source of the pathogen might be attributed to an in-utero infection, acquisition from maternal flora, or postnatal acquisition from the hospital or community...

No abstract text is available yet for this article.

The knowledge of airway anatomy is the most fundamental requirement of every bronchoscopist. There are numerous and frequent anatomic variations of the central airways making the examination unique for every individual. It is imperative for every bronchoscopist to be fully cognizant of the common congenital anomalies involving the central airways. Proper identification and reporting of these findings are a matter of the utmost importance, especially when surgical options in a patient with lung cancer or lung transplantation is under consideration...

OBJECTIVE: To define the diagnostic possibilities for young children who present with recurrent wheeze. DATA SOURCES: Review of medical literature and 30 years of practice experience. STUDY SELECTION: Relevant medical literature. RESULTS: When evaluating an infant or child presenting with recurrent respiratory symptoms, several diagnoses must be considered. The workup should include assessment of the risk factors for asthma and careful investigation into the specific symptoms...

New England Journal of Medicine, Volume 372, Issue 19, Page 1832-1843, May 2015.

Monoclonal gammopathy of undetermined significance (MGUS) is a premalignant plasma cell disorder that is associated with a lifelong risk of multiple myeloma. We conducted a systematic review of all studies investigating the prevalence and incidence of MGUS in the online database PubMed. The review was conducted from January 6, 2009, through January 15, 2010. The following MeSH search headings were used: monoclonal gammopathy, benign and prevalence; monoclonal gammopathy, benign and incidence; paraproteinemia and prevalence; and paraproteinemia and incidence...

IMPORTANCE: Acute ischemic stroke is a major cause of mortality and morbidity in the United States. We review the latest data and evidence supporting catheter-directed treatment for proximal artery occlusion as an adjunct to intravenous thrombolysis in patients with acute stroke. OBJECTIVE: To review the pathophysiology of acute brain ischemia and infarction and the evidence supporting various stroke reperfusion treatments. EVIDENCE REVIEW: Systematic literature search of MEDLINE databases published between January 1, 1990, and February 11, 2015, was performed to identify studies addressing the role of thrombolysis and mechanical thrombectomy in acute stroke management...

BACKGROUND: Screening for type 2 diabetes mellitus could lead to earlier identification and treatment of asymptomatic diabetes, impaired fasting glucose (IFG), or impaired glucose tolerance (IGT), potentially resulting in improved outcomes. PURPOSE: To update the 2008 U.S. Preventive Services Task Force review on diabetes screening in adults. DATA SOURCES: Cochrane databases and MEDLINE (2007 through October 2014) and relevant studies from previous Task Force reviews...

New England Journal of Medicine, Volume 372, Issue 16, Page 1539-1548, April 2015.

There are numerous ways of classifying the causes of anemia, and no one way is necessarily superior to another. It is equally important to appreciate the differences in the approaches to diagnosis between children and adults, men and women, and persons of different ethnic backgrounds. Regardless of the specific algorithm followed in evaluating anemia, it is essential that easily remediable causes such as nutritional deficiencies, hemolysis, and anemia of renal insufficiency are identified early and treated appropriately...

BACKGROUND: Intensivists spend much of their time managing problems related to fluids, electrolytes, and blood pH. Recent advances in the understanding of acid-base physiology have resulted from the application of basic physical-chemical principles of aqueous solutions to blood plasma. All changes in blood pH, in health and in disease, occur through changes in three variables: carbon dioxide, relative electrolyte concentrations, and total weak acid concentrations. However, while this quantitative approach has enjoyed widespread use among researchers, clinicians are reluctant to employ it...

No abstract text is available yet for this article.

No abstract text is available yet for this article.

On the basis of observational studies, the most common cause of nephrotic syndrome in school-aged children is minimal change disease. On the basis of research evidence and consensus, corticosteroids are considered first-line therapy for treatment of nephrotic syndrome. On the basis of consensus, prednisone therapy should be initiated at doses of 60 mg/m2 per day (2 mg/kg per day) administered for 4 to 6 weeks, followed by 40 mg/m2 per dose (1.5 mg/kg) every other day for at least 6 to 8 weeks. On the basis of consensus and expert opinion, it is important to recognize and manage the complications that can arise in patients with nephrotic syndrome, such as dyslipidemia, infection, and thrombosis...

On the basis of some research evidence and consensus, identification of acute opsoclonus, ataxia, or myoclonus should prompt consideration of an underlying neuroblastoma. On the basis of some research evidence and consensus, surgical treatment options should be considered for children with dystonia, including secondary dystonias, such as those related to cerebral palsy, and include intrathecal baclofen pumps and deep brain stimulation. On the basis of some research evidence and clinical experience, tetrabenazine may be effective in treating chorea...

Adrenal insufficiency is a life-threatening condition that occurs secondary to impaired secretion of adrenal glucocorticoid and mineralocorticoid hormones. This condition can be caused by primary destruction or dysfunction of the adrenal glands or impairment of the hypothalamic-pituitary-adrenal axis. In children, the most common causes of primary adrenal insufficiency are impaired adrenal steroidogenesis (congenital adrenal hyperplasia) and adrenal destruction or dysfunction (autoimmune polyendocrine syndrome and adrenoleukodystrophy), whereas exogenous corticosteroid therapy withdrawal or poor adherence to scheduled corticosteroid dosing with long-standing treatment constitute the most common cause of acquired adrenal insufficiency...

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On the basis of strong research evidence, the prevalence of poststreptococcal glomerulonephritis (PSGN) is decreasing worldwide, although it still remains the leading cause of glomerulonephritis in children. The overall decrease in prevalence of PSGN has been mainly driven by a significant decrease in pyoderma seen in the last half-century, such that postpharyngitic PSGN is most commonly seen in developed nations. On the basis of primarily consensus because of a lack of relevant clinical studies, the latency period between streptococcal infection and the development of nephritis is a hallmark of PSGN, with this period lasting 1 to 2 weeks with pharyngeal infections or 2 to 6 weeks with skin infections...

BACKGROUND: Diuretics have been accepted as first-line treatment in refractory congestive heart failure (CHF), but a lack of response to them is a frequent event. A randomized, single-blind study was performed to evaluate the effects of the combination of high-dose furosemide and small-volume hypertonic saline solution (HSS) infusion in the treatment of refractory New York Heart Association (NYHA) class IV CHF and a normosodic diet during follow-up. Materials and Methods One hundred seven patients (39 women and 68 men, age range 65-90 years) with refractory CHF (NYHA class IV) of different etiologies, who were unresponsive to high oral doses of furosemide, angiotensin-converting enzyme inhibitors, digitalis, and nitrates, were enrolled...

Acid-base disturbances are very common in critically ill and injured patients as well as contribute significantly to morbidity and mortality. An understanding of the pathophysiology of these disorders is vital to their proper management. This review will discuss the etiology, pathophysiology and treatment of acid-base disturbances in intensive care patients--with particular attention to evidence from recent studies examining the effects of fluid resuscitation on acid-base and its consequences.