Publications by authors named "Matthew Lo"

A 50-year-old woman with a history of kidney transplant presented with 2 days of abdominal pain after 6 months of recurrent streptococcal pharyngitis, fevers, weight loss and a new rash on her chest and back. Her examination was notable for a unilateral tonsillar exudate and 2-3 mm pink papules with a fine scale over her chest and back. CT of the abdomen and chest demonstrated several large lymph nodes, and laboratory investigation revealed new cytopenias and elevated transaminases.

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Aims: To explore in psychosis patients their subjective perceptions on the definition of relapse, the costs involved, the potential risk and protective factors for relapse, the effect of medication and the consequences of relapse.

Method: Sixteen patients who had previously enrolled into a randomized controlled trial of medication discontinuation during first-episode psychosis were interviewed after 10 years.

Results: Patients had a broader definition of the criteria of relapse, extending from medication discontinuation to family support.

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Background: Readmission and mortality after hospitalization for community-acquired pneumonia (CAP) and heart failure (HF) are publically reported. This systematic review assessed the impact of social factors on risk of readmission or mortality after hospitalization for CAP and HF-variables outside a hospital's control.

Methods: We searched OVID, PubMed and PSYCHINFO for studies from 1980 to 2012.

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Existing equations to calculate the estimated glomerular filtration rate (eGFR) were derived from nondiabetic Caucasian patients with chronic kidney disease. Here, we developed formulas to more accurately predict the eGFR in Chinese patients with type 2 diabetes and validated their performance in 202 type 2 diabetic and 46 nondiabetic individuals. Within the diabetic cohort, 135 were randomly assigned to a training group, whereas the remaining 67 diabetic and all of the nondiabetic patients were assigned to a validation group.

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Background: The RENAAL Study has confirmed the renoprotective effects of Losartan in type 2 diabetes. In this subgroup analysis from the RENAAL Study, we hypothesized that the intensive care received by patients in a clinical trial setting also reduced the rate of decline in renal function through optimization of all risk factors.

Methods: We compared the rate of deterioration in renal function, expressed as the regression coefficient of the monthly serum creatinine (SeCr) reciprocal (beta-1/Cr) in 55 Chinese type 2 diabetic patients before and after entry into the RENAAL Study.

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Study Objective: Microalbuminuria in diabetes mellitus is a risk factor for cardiovascular disease. We hypothesized that microalbuminuria in type 2 diabetic patients is related to impaired cardiopulmonary function during exercise, and that the severity of impairment is correlated with the degree of microalbuminuria.

Design: Twenty of each of the following categories of subjects performed symptom-limited cardiopulmonary exercise testing on a cycle ergometer: (1) type 2 diabetic patients with normoalbuminuria (daily urinary albumin excretion [UAE] < 30 mg/d); (2) type 2 diabetic patients with microalbuminuria (daily UAE, 30 to 300 mg/d); and (3) normal control subjects.

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Objectives: There are close associations among raised white blood cell (WBC) count, coronary heart disease, and metabolic syndrome in the general population. The association between WBC count and vascular complications of diabetes has not been explored. We carried out a cross-sectional cohort study to determine the association between WBC count and the presence of macro- and microvascular complications in type 2 diabetes.

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