Pulmonary Embolism / DVT / VTE Archives - Page 3 of 3 - PulmCCM
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Pulmonary Embolism / DVT / VTE Articles

Nov 012011
 

More than 40 small, middling-quality studies (n~80, some randomized) showing inconsistent results as to whether antioxidant therapy with acetylcysteine or other drugs reduces the risk for contrast nephropathy / acute kidney injury after angiography or CT-angiography. A 2008 meta-analysis concluded Mucomyst was helpful, reducing risk of nephropathy by almost 40% vs saline alone. However, the authors noted [... read more]

Oct 302011
 

Lucassen et al sharpened their pencils and tried to combine in a meta-analysis 52 studies (n=55,268) that examined the success of methods of using “gestalt” (subjective impression) or clinical decision rules (Wells, Geneva or revised Geneva scores) to diagnose acute pulmonary embolism. The punchline (and their unstated but implied conclusion) is, we just can’t safely [... read more]

Oct 212011
 

The new coumadin-killers, direct thrombin inhibitor dabigatran (approved in the U.S.) and direct factor Xa inhibitor rivaroxaban (coming soon) could usher in an awesome new era of anticoagulation, without warfarin’s requirements of cumbersome monitoring and annoying in-hospital titrations. But what happens when patients taking these drugs bleed, or need emergency surgery? Fresh-frozen plasma doesn’t work. [... read more]

Sep 292011
 

Increasing urine output should reduce the risk for contrast nephropathy, as should hustling contrast metal past vulnerable Na-K-Cl transporters using loop diuretics. However, furosemide alone increases the risk for contrast nephropathy. Some hypothesized that was due to diuretic-induced hypovolemia. Briguori et al report results of REMEDIAL-II. They randomized ~300 patients at very high risk for [... read more]

Sep 022011
 

September’s Current Opinion in Pulmonary Medicine has 4-5 review articles each on sarcoidosis (how to handle calcium problems; cardiac sarcoid); interstitial lung disease (biologics for connective-tissue disease related ILD; LAM therapies; stem cell therapy for pulmonary fibrosis), and pulmonary vascular disease. Curr Opin Pulm Med 2011;17.

Aug 112011
 

Do we need to worry about pre-existing heparin-induced thrombocytopenia antibodies in people admitted with pulmonary embolism / deep venous thrombosis? Or can we keep happily slinging heparin at first sight? Warkentin et al analyze data from the Matisse VTE studies, which enrolled 3,994 patients with DVT or PE. All had ELISA HIT antibodies collected at [... read more]

Jul 022011
 

Aujesky et al randomized 344 people in 19 European emergency departments with low-risk pulmonary embolism to either be sent home with enoxaparin and warfarin within one day, or to be treated until therapeutic on warfarin in-hospital. They were then treated for 90 days. One of 171 home-treated patients developed recurrent VTE, while none of the [... read more]

Jun 162011
 

Boutitie et al analyzed pooled anticoagulation clinic data from 2,925 people with a first deep venous thrombosis or pulmonary embolism in the UK. They found that the recurrence risk after stopping anticoagulation at 3 months was equivalent to stopping at 6 months. Proximal DVTs were more likely to recur than distal DVTs. BMJ 2011;342:d3036. FREE [... read more]

Jun 152011
 

Douma et al compared the Wells score, Geneva score, and the simplified versions of each, combined with D-dimer, on a prospective cohort of 807 patients with suspected PE (~23% of whom were found to have PE). With a negative D-dimer and a low-probability score using any rule, risk of pulmonary embolism was ~0.5%. However, only [... read more]

Jun 142011
 

Salaun et al publish their experience using a simple algorithm for management of 321 consecutive patients with suspected pulmonary embolism at one center in France. The tool sought to avoid CT-angiography (and associated radiation) wherever possible, instead favoring leg ultrasounds and ventilation-perfusion scans. Only the indeterminate cases (a mere 35, or 11%) underwent CT-A. In [... read more]

Mar 182011
 

Drospirenone is the new progesterone analog in heavily marketed new oral contraceptive pills (trade names Yaz, Yasmin, Angelique). Using a large insurance claims database, Jick et al identified 186 cases of DVT or PE in women aged 15-44 taking oral contraceptives and compared them to controls. Those taking drospirenone-containing OCPs had a nonfatal DVT/PE incidence [... read more]