Acute and Critical Care

Case Report

Vascular Surgery
Delayed Presentation of Catheter-Related Subclavian Artery Pseudoaneurysm: Hwa Rim Kang, Jin Yong Park, Jee Hyun Kim, Yook Kim, Min Ho Kang, YouJin Chang, Kang Hyeon Choe, Ki Man Lee, Jin Young An; Korean J Crit Care Med. 2015;30(3):222-226. Published online August 31, 2015; DOI: https://doi.org/10.4266/kjccm.2015.30.3.222

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Abstract PDF: Central venous catheterization is a common diagnostic and therapeutic procedure in modern clinical practice. Pseudoaneurysms of the subclavian artery are rare and usually occur immediately after the causative event, whether the cause was trauma or a medical procedure. Here we report the rare case of a 71-year-old woman with delayed presentation of catheter-related subclavian pseudoaneurysm. The patient was treated for aspiration pneumonia with respiratory failure in another hospital. The patient’s chest wall swelling began two weeks after the initial catheterization in the other hospital, probably because of slow leakage of blood from the injured subclavian artery caused by incomplete compression of the puncture site and uremic coagulopathy. She was successfully treated with ultrasound-guided thrombin and angiography-guided histoacryl injection without stent insertion or surgery. Her condition improved, and she was discharged to her home.

Original Article

The Effect of Low-dose Dopamine on Splanchnic and Renal Blood Flow in Patients with Septic Shock under the Treatment of Norepinephrine: Jong Joon Ahn, Tae Hyung Kim, Ki Man Lee, Tae Sun Shim, Chae Man Lim, Sang Do Lee, Woo Sung Kim, Dong Soon Kim, Won Dong Kim, Younsuck Koh; Korean J Crit Care Med. 2001;16(1):36-41.

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Abstract PDF: BACKGROUND
Norepinephrine, which is frequently administered as a vasopressor to the patients with septic shock, can decrease splanchnic and renal blood flows and aggravate splanchnic and renal ischemia. The low-dose dopamine (LDD) has been frequently combined with norepinephrine to ameliorate renal and splanchnic hypoperfusion in patients with septic shock. However, the effect of the LDD on the splanchnic and renal blood flow has not been fully elucidated. This investigation was carried out to determine the effect of the LDD on the splanchnic and renal blood flow in the patients with septic shock under the treatment of norepinephrine.
METHODS
Eleven patients with septic shock were included in this study. All of them were under the norepinephrine treatment as the mean arterial pressure (MAP) was less than 70 mm Hg in spite of the adequate fluid resuscitation. With stabilization of MAP, the LDD (2 g/kg/min) was administered for two hours in each patients. Hemodynamics, gastric intramucosal pH (pHi), gastric regional PCO2 (rPCO2), rPCO2 - PaCO2, urine volume, urine sodium excretion and creatinine clearance were compared between with and without the LDD infusion. Diuretics was not used during the study period.
RESULTS
Age of patients (n=11) was 64 12 and the APACHE III score was 84 17. The mortality rate of the subjects was 64%. Dosage of norepinephrine was 0.55 0.63 g/kg/min during the study period. There were no significant differences in hemodynamics (central venous pressure, cardiac output, pulmonary artery occlusion pressure, mixed venous gas), pHi, rPCO2, rPCO2 - PaCO2 depending on the concomitant infusion of the LDD. The volume of urine tended to increase (P=0.074) after concomitant LDD, but the changes in urine sodium excretion and creatinine clearance were not significantly different.
CONCLUSIONS
The combined infusion of the LDD with norepinephrine did not improve splanchnic and renal blood flow in the patients with septic shock.

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