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Diagnosis of Right Ventricular Dysfunction in Acute Pulmonary Embolism with N-terminal Probrain Natriuretic Peptide (NT-proBNP)
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Young Ju Lee
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Korean J Crit Care Med. 2006;21(2):83-88.
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 Abstract
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- BACKGROUND
Patients with pulmonary embolism are at high risk of death because of right ventricular dysfunction (RVD) and mortality rate increases with worsening right ventricular dysfuction. The utility of N-terminal probrain natriuretic peptide (NT-proBNP) testing in the emergency department for diagnosing right ventricular dysfunction with pulmonary embolism and optimal cut-off points for its uses are not well established.
METHODS
Forty-nine consecutive patients with confirmed pulmonary embolism, who visited our emergency medical center from March 2005 to September 2006, were recruited. Patients with congestive heart failure and chronic renal failure were excluded from study enrollment. The diagnosis of right ventricular dysfunction was based on echocardiographic evidence of right ventricular dysfunction.
RESULTS
The mean age was 68+/-11 yr, and 71% of the patients were women. The median NT-proBNP level among 29 patients (59%) who had RVD was 1296 versus 250 pg/ml for those 20 patients (41%) who did not have RVD (p=0.01). The area under the receiver operating characteristic curve was 0.94 (95% CI of 0.89~0.98). At a cutoff of 400 pg/ml, NT-proBNP had a sensitivity of 97%, a specificity of 75%, and an overall accuracy of 88% for RVD (p=0.01). An NT-proBNP level <400 pg/ml was optimal for ruling out RVD, which was a negative predictive value of 94%. Increased NT- proBNP was the strong independent predictor of RVD (odds ratio 13, 95% CI 4.3-39.0, p=0.01).
CONCLUSIONS
NT-proBNP levels are frequently increased in patients with pulmonary embolism who have RVD than who did not have RVD. In acute pulmonary embolism, NT-proBNP elevation is highly predictive of RVD.
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The Effectiveness of Foot -Reflexo- Massage on the Postoperative Pain of Gastrectomy Patients
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Houng Hwa Han, Young Ju Lee, Yun Jeong Chae, Jong Sin Eun, Hyun Ho Lee, Jee Won Park
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Korean J Crit Care Med. 2005;20(2):136-143.
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Abstract
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- BACKGROUND
The objects of this study were to determine the effects of foot reflexo massage on the postoperative pain of the subtotal gastrectomy patients according to quasi-experimental research design, and to provide demonstrative data for using the foot reflexo massage as an intervention for pain nursing. METHODS: The foot reflexo massages were performed on 34 subtotal gastrectomy patients after informed consent was obtained. They were divided into two groups, i.e. control group (n=17) and experimental group (n=17). After 6 hours and 12 hours from the subtotal gastrectomy, the massage was carried out on each foot for 10 minutes twice. Visual analogue scale (VAS) was employed as the measurement tools of pain, and the degree of postoperative pain was measured through frequency of prn (pro re nata) analgesia in chart review. RESULTS: The experimental group with foot reflexo massage 6 hours after the operation have significantly less score of postoperative pain than the control group (5.76+/-0.83, 4.35+/-1.0, p=.000). The experimental group with foot reflexo massage 12 hours after the operation have significantly less score of postoperative pain than the control group (5.12+/-0.53, 3.00+/-1.17, p=.000). The experimental group with foot reflexo massage have significantly less frequency of prn analgesics than the control group from six hours to twelve hours after the operation (p=.004). CONCLUSIONS: It is considered foot reflexo massage is effective for reducing postoperative pain of subtotal gastrectomy patients, as well as useful for an immediate nursing intervention.
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Aortic Dissection Presenting as Lower Leg Ischemia: A Case Report
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Young Shin Bae, Yeon Woo Kim, Young Gi Min, Young Ju Lee
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Korean J Crit Care Med. 2004;19(2):134-138.
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Abstract
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- We report a 47-year-old man who presented with acute right leg pain without any other symptoms on visit to ER. But he had the severe back pain when the leg pain developed.
Contrast CT revealed no enhancement on right common iliac artery and aortic dissection from the lower level of right renal artery to the iliac artery bifurcation. Angiographic stent insertion was performed immediately, but the patient showed reperfusion syndrome and died after 3 days. Aortic dissection with the isolated peripheral vascular complications is rare. Aortic dissection should be included in the differential diagnosis of patients with acute lower leg ischemia like peripheral arterial occlusive disease.
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Pulmonary Embolism Detected in the Postanesthesia Care Unit Following Operation of Long Bone Fracture: A Case Report
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Yun Jeong Chae, Young Ju Lee, Jin Soo Kim, Han Bum Cho
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Korean J Crit Care Med. 2003;18(1):33-38.
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Abstract
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- Clinical manifestations of pulmonary embolism are nonspecific during anesthesia. A 44 years old female received elective operation for right tibio-fibular fracture under spinal anesthesia. During operation, the patient received oxygen supply 5 L/min via mask with oxygen. On arrival of postanesthetic care unit, oxygen saturation of pulse oxymeter (SpO2) was 89% and with the 100% oxygen 10 L/min by mask, SpO2 went up rapidly to 100%. When the patient breathed under room air, SpO2 suddenly decreased to 80%. Chest x-ray at that time was non-contributory. Under the suspicion of pulmonary embolism, the patient was transferred to intensive care unit (ICU), and low molecular weight heparin (LMWH) treatment was started. LMWH was changed to regular heparin on the second day of ICU admission after conclusive diagnosis with spiral computed tomography and lung perfusion scan. The patient's oxygenation progressively improved and on the 10th day of ICU, the patient was transferred to general ward and she was discharged without any sequelae on the 23th day postoperatively.
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