RESUMO
BACKGROUND: Metabolic Syndrome (MetS) is common in Chronic Obstructive Pulmonary Disease (COPD) patients but their association is still an unsettled issue. The aim of this study was to determine the association of MetS with the severity of airflow obstruction. METHODOLOGY: This was a cross-sectional analytic study of 157 patients with COPD. They were classified using the Global Initiative for Chronic Obstructive Lung Diseases (GOLD). MetS was assessed using two well-recognized criteria. Demographics, clinical data, lifestyle-related characteristics, fasting blood sugar (FBS) and lipid profile were obtained. Multiple logistic regression was used to determine the association of MetS with the severity of airflow obstruction. RESULTS: 40.13% and 17.20% of patients had MetS using the NCEP/ATP III-AHA/NHBLI and IDF criteria, respectively. MetS was not associated with severity of airflow obstruction. Of the MetS components, only elevated blood pressure (BP) was significantly associated with severity of airflow obstruction (GOLD II: OR=3.28, p<0.001; GOLD III: OR=4.04, p=0.2; GOLD IV: OR=6.21, p=0.04). Elevated FBS was also associated with GOLD IV (OR=16.09, p=0.02). Significant factors associated with MetS in COPD patients were body mass index, inhaled steroid, number of pack-years, and GOLD II. CONCLUSION: MetS is not associated with severity of airflow obstruction. Only certain components of MetS showed significant associations such as elevated BP with GOLD II-IV and elevated FBS with GOLD IV.
RESUMO
SYNOPSIS: Cardiac tamponade among systemic lupus erythematosus (SLE) patients is an unusual event. The pericardial effusion may be a consequence of uremia, infections in the pericardium, or the lupus pericarditis itself. We present four atypical cases of cardiac tamponade from pericarditis of connective tissue disease (CTD), all of which were treated with drainage and immunosuppressants. Due to the rarity of this combination, management was a challenge.CLINICAL PRESENTATION: Four females each sought consult for dyspnea associated with typical manifestations of connective tissue disease such as arthritis, characteristic rashes, serositis, typical laboratory features, and a positive ANA and/or anti-dsDNA. The first three cases fulfilled the criteria for SLE, while the fourth fulfilled the criteria for SLE-dermatomyositis overlap syndrome. Echocardiography was done due to suspicion of pericardial involvement and revealed massive pericardial effusion in tamponade physiology in all cases.DIAGNOSIS: Cardiac tamponade from serositis due to connective tissue disease [SLE (case 1 to 3) or SLE-dermatomyositis overlap (case 4). Other common etiologies of tamponade such as bacterial, tuberculous, malignant, and uremic pericardial effusion were ruled out by clinical and laboratory tools, including Gram stain and culture, cytology, PCR, and biochemical testing. The pericardial fluid of the first case tested positive for lupus erythematosus (LE) cells, indicative of lupus serositis.TREATMENT AND OUTCOME: All patients underwent pericardial drainage via tube pericardiostomy. They received high dose glucocorticoids after infectious etiologies for the pericardial effusion were ruled out. The fourth case with the overlap syndrome, however, required more immunosuppressants using azathioprine and methotrexate. Resolution of pericardial effusion was noted with this approach. Three of four were discharged improved, however, the third case suffered from worsening nephritis and pulmonary hemorrhage leading to her demise.SIGNIFICANCE AND RECOMMENDATIONS: Four cases of cardiac tamponade as a manifestation of connective tissue disease were presented. Literature underlines the rarity of this condition anytime during the course of SLE. Despite this, SLE should be considered as one of the differential diagnosis of cardiac tamponade, especially in patients who manifest with multi-systemic findings. Likewise, massive pericardial effusion should be considered in patients with a connective tissue disease presenting with subtle evidence of pericardial involvement. It requires timely identification and treatment with high dose steroids, after other causes such as infections have been excluded. Immediate drainage through pericardiocentesis or pericardiostomy in combination with immunosuppressants may be life-saving.
