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Case Reports : Ultrasound-guided Lateral Femoral Cutaneous Nerve Block in Meralgia Paresthetica
( Jeong Eun Kim ),( Sang Gon Lee ),( Eun Ju Kim ),( Byung Woo Min ),( Jong Suk Ban ),( Ji Hyang Lee ) 대한통증학회 2011 The Korean Journal of Pain Vol.24 No.2
Meralgia paresthetica is a rarely encountered sensory mononeuropathy characterized by paresthesia, pain or sensory impairment along the distribution of the lateral femoral cutaneous nerve (LFCN) caused by entrapment or compression of the nerve as it crossed the anterior superior iliac spine and runs beneath the inguinal ligament. There is great variability regarding the area where the nerve pierces the inguinal ligament, which makes it difficult to perform blind anesthetic blocks. Ultrasound has developed into a powerful tool for the visualization of peripheral nerves including very small nerves such as accessory and sural nerves. The LFCN can be located successfully, and local anesthetic solution distribution around the nerve can be observed with ultrasound guidance. Our successfully performed ultrasound-guided blockade of the LFCN in meralgia paresthetica suggests that this technique is a safe way to increase the success rate. (Korean J Pain 2011; 24: 115-118)
The effect of type of anesthesia on intra-and postoperative blood loss at elective cesarean section
Jeong Eun Kim,Ji Hyang Lee,Eun Ju Kim,Myung Woo Min,Jong Seouk Ban,Sang Gon Lee 대한마취통증의학회 2012 Korean Journal of Anesthesiology Vol.62 No.2
Background: In cesarean section (c-sec) it is known that women receiving spinal anesthesia have decreased intraoperative blood loss compared to women receiving general anesthesia. However, we should always consider postoperative bleeding (postpartum bleeding) that may follow. The amount of postpartum bleeding can be substantial. Therefore, we sought to evaluate the effect of type of anesthesia retrospectively on intra- and postoperative blood loss by comparing the changes of postoperative Hb, Hct at c-sec. Methods: We retrospectively compared the medical records of 287 elective c-sec patients. We excluded medical and obstetric conditions that may predispose such patients to increased blood loss. Subsequent detailed record analysis included 152 patients that received spinal anesthesia (group S), and 135 patients that received sevoflurane for general anesthesia (group G). Results: In comparison with the preoperative Hb, rates of Hb in the 1st postoperative day in group S significantly decreased compared to group G, but there was no significant difference in decreasing rates of Hb in the 3rd postoperative day between groups S and G. Estimated blood loss (EBL) of the intraoperative and operative day in group S was significantly lower compared to group G, but there was no significant difference in EBL of 1st and 2nd postoperative day between groups S and G. Conclusions: We conclude that group S had a decrease in blood loss between the intraoperative and operative day and there was no significant differences in postoperative blood loss compared with group G.
How Many Sentinel Lymph Nodes Are Enough for Accurate Axillary Staging in T1-2 Breast Cancer?
Eun Jeong Ban,Jun Sang Lee,구자승,Se Ho Park,Seung-Il Kim,Byeong-Woo Park 한국유방암학회 2011 Journal of breast cancer Vol.14 No.4
Purpose: During a sentinel lymph node biopsy (SLNB) for breast cancer, the appropriate number of sentinel lymph nodes (SLNs) to be removed for accurate axillary staging is still controversial. We hypothesized that there might be an optimal threshold number of SLNs. We investigated how many SLNs should be removed to achieve an acceptable accuracy and ensure minimal morbidity. Methods: We reviewed data of 328 patients with invasive breast cancer who underwent SLNB followed by complete level I and II axillary dissection between January 2004 and December 2005. The false negative rate (FNR) and accuracy of SLNB according to the number of removed SLNs were evaluated. Results: The mean number of SLNs removed was 3.0 (range, 1-14), and that of total retrieved axillary lymph nodes was 17.5 (range, 10-40). In total, 111 (33.8%) patients had positive nodes on the permanent pathological report. Among them, 12 patients had negative SLNs;thus, the overall FNR of SLNB was 10.8% (12/111) and the accuracy was 96.3% (316/328). The FNR was 26.6% for a single SLN, 8.0% for two, and 11.1% for three. In cases where four or more SLNs were removed, the FNR decreased to 0% and accuracy reached 100%. Conclusion: Our data suggest that a SLNB should not only remove one or two of the hottest node(s) when other hot nodes exist. We also suggest that four might be an optimal threshold number of SLNs to be removed and that removal of more than four SLNs does not improve axillary staging accuracy.
Ultrasound-guided Lateral Femoral Cutaneous Nerve Block in Meralgia Paresthetica
Kim, Jeong-Eun,Lee, Sang-Gon,Kim, Eun-Ju,Min, Byung-Woo,Ban, Jong-Suk,Lee, Ji-Hyang The Korean Pain Society 2011 The Korean Journal of Pain Vol.24 No.2
Meralgia paresthetica is a rarely encountered sensory mononeuropathy characterized by paresthesia, pain or sensory impairment along the distribution of the lateral femoral cutaneous nerve (LFCN) caused by entrapment or compression of the nerve as it crossed the anterior superior iliac spine and runs beneath the inguinal ligament. There is great variability regarding the area where the nerve pierces the inguinal ligament, which makes it difficult to perform blind anesthetic blocks. Ultrasound has developed into a powerful tool for the visualization of peripheral nerves including very small nerves such as accessory and sural nerves. The LFCN can be located successfully, and local anesthetic solution distribution around the nerve can be observed with ultrasound guidance. Our successfully performed ultrasound-guided blockade of the LFCN in meralgia paresthetica suggests that this technique is a safe way to increase the success rate.
Newly Developed Sex-Specific Z Score Model for Coronary Artery Diameter in a Pediatric Population
Yu Jeong Jin,Choi Hee Joung,Cho Hwa Jin,Kim Sung Hye,Cheon Eun Jung,Kim Gi Beom,Eun Lucy Youngmin,Jung Se Yong,Jun Hyun Ok,Woo Hyang-Ok,Park Sin-Ae,Yoon Soyoung,Ko Hoon,Ban Ji-Eun,Choi Jong-Woon,Song 대한의학회 2024 Journal of Korean medical science Vol.39 No.16
Background: This study aimed to generate a Z score calculation model for coronary artery diameter of normal children and adolescents to be adopted as the standard calculation method with consensus in clinical practice. Methods: This study was a retrospective, multicenter study that collected data from multiple institutions across South Korea. Data were analyzed to determine the model that best fit the relationship between the diameter of coronary arteries and independent demographic parameters. Linear, power, logarithmic, exponential, and square root polynomial models were tested for best fit. Results: Data of 2,030 subjects were collected from 16 institutions. Separate calculation models for each sex were developed because the impact of demographic variables on the diameter of coronary arteries differs according to sex. The final model was the polynomial formula with an exponential relationship between the diameter of coronary arteries and body surface area using the DuBois formula. Conclusion: A new coronary artery diameter Z score model was developed and is anticipated to be applicable in clinical practice. The new model will help establish a consensus-based Z score model.