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소아 환자의 위 주름술에 있어서 복강경과 개복술의 비교
곽홍기,정수민,이석구,서정민,Gwak, Hong-Ki,Jung, Soo-Min,Lee, Suk-Koo,Seo, Jeong-Meen 대한소아외과학회 2012 소아외과 Vol.18 No.2
Fundoplication is a common surgical procedure for gastroesophageal reflux Disease (GERD). Recently the procedure has been performed with increased frequency laparoscopically. The aim of this study is to compare laparoscopic Nissen fundoplication (LNF) and open Nissen fundoplication (ONF) for GERD in children. We studied retrospectively the 88 pediatric patients who underwent the Nissen fundoplication for GERD as primary antireflux surgery from 1994 and 2009. ONF was performed in 34 cases and LNF was in 54 cases. 58 patients have neurologic impairment. Time to initial food intake after the surgery were reduced in the LNF group (p= 0.032). Recurrent GERD symptom occurred in one patient in LNF group and four patients in ONF group within 1 year after the surgery (p= 0.012). There were no statistically significant differences in post operative morbidity and mortality between both groups. In conclusion, our practice of Nissen fundoplication indicates that LNF takes priority in most pediatric patients.
전예원,임승택,곽홍기,박선영,서영진 한국유방암학회 2020 Journal of breast cancer Vol.23 No.5
Purpose: The regimen including concurrent docetaxel, doxorubicin, and cyclophosphamide (TAC) has been categorized as an important risk factor for febrile neutropenia (FN). This comparative study examined the clinical impact of long-acting granulocyte colony-stimulating factor (G-CSF) (pegfilgrastim) during adjuvant TAC chemotherapy in Korean patients with advanced breast cancer. Methods: We analyzed data from 239 patients who received 6 cycles of adjuvant TAC chemotherapy. We categorized patients into 2 groups according to the use of primary prophylactic pegfilgrastim and compared the incidence and risk of FN, hospital care costs, and survival in the 2 groups. Results: The incidence of FN decreased from 54.2% to 21.2% in all patients, after the use of pegfilgrastim. The analysis of a total of 1,432 chemotherapy cycles showed that the incidence of FN decreased from 36.1% to 9.1% after the use of pegfilgrastim. Moreover, the decrease in the incidence of FN with the use of pegfilgrastim resulted in a significant decrease in the mean duration of neutropenia (4.15 to 1.29 days), the risk of hospitalization (99.5% to 29.7%) and the mean total hospital care cost (USD 3,038 to USD 2,347). High relative dose intensity (RDI) in patients treated with pegfilgrastim than in those not treated with pegfilgrastim (99.18% vs. 93.85%) was associated with a better overall survival (p = 0.033). Conclusions: The use of pegfilgrastim during adjuvant TAC chemotherapy was significantly associated with a decrease in the incidence and risk of FN, hospital care costs, and risk of death compared to the use of adjuvant TAC without primary prophylaxis.
임승택,전예원,곽홍기,서영진 한국유방암학회 2020 Journal of breast cancer Vol.23 No.5
Purpose: The prognostic implications of serum vitamin D status after a 5-year adjuvant endocrine therapy on the risk of late recurrence among hormone receptor (HR)-positive breast cancer patients remain unclear. Hence, we investigated this among Korean HR-positive breast cancer patients. Methods: A total of 455 patients with HR-positive stage I–III invasive breast cancer who underwent curative surgery at St. Vincent's Hospital between February 2004 and April 2012 were included in this retrospective study. Patients were categorized based on their serum 25-hydroxyvitamin D (25(OH)D) levels after the 5-year adjuvant endocrine therapy. Initial recurrence sites were categorized. The primary clinical outcome was late recurrence-free survival (LRFS). Results: Among the 455 patients, 242 and 213 were included in the 25(OH)D-deficient group and 25(OH)D-sufficient group, respectively. Forty-eight patients experienced late recurrence. Across all recurrence sites, the 25(OH)D-deficient group showed significantly worse LRFS rates than the 25(OH)D-sufficient group (hazard ratio [HR], 2.284; 95% confidence interval [CI], 1.155–4.515; p = 0.018). After patient subgrouping based on recurrence site, the 25(OH)D-deficient group also showed significantly worse LRFS rates in terms of regional lymph node (LN) (HR, 17.453; 95% CI, 2.46–128.83; p = 0.005), bone (HR, 2.394; 95% CI, 1.024–5.599; p = 0.044), and visceral (HR, 2.735; 95% CI, 1.182–6.328; p = 0.019) recurrence. However, there was no significant difference between the 2 groups in terms of local recurrence (p = 0.611). Conclusions: We found that 25(OH)D deficiency after the 5-year adjuvant endocrine therapy was associated with worse LRFS among HR-positive breast cancer patients, particularly with respect to regional LN, bone, and visceral recurrence.
Jean Schneider,이혁진,남석진,이수정,정진향,정성후,임승택,전예원,곽홍기 한국유방암학회 2020 Journal of breast cancer Vol.23 No.3
Purpose: Neoadjuvant chemotherapy (NAC) involving trastuzumab markedly increases pathologic complete response (pCR) rates in patients with human epidermal growth factor receptor 2-positive (HER2+) breast cancer. Despite increasing pCR rates, long-term survival gains are controversial owing to distinctive biologic behavior mediated by the presence of hormonal receptors (HRs) that may interact with HER2 receptors. We, therefore, investigated the differences in relative survival gain provided by neoadjuvant trastuzumab-based chemotherapy on HR positive (HR+) status of patients. Methods: We retrospectively ana Patient clinical characteristics were compared usin lyzed women with stage II or III HER2+ breast cancer who underwent NAC followed by a breast cancer surgery between 2008 and 2013. The survival benefits of adding trastuzumab to NAC were analyzed by classifying patients into HR+ and HR negative (HR−) groups. Results: Of 666 patients included in the study, 374 (52.1%) were HR+ and 319 (47.9%) were HR−. In the HR+ group, trastuzumab treatment led to higher pCR rates and significantly better breast cancer specific survival (BCSS) and overall survival (OS) than no trastuzumab treatment. However, among patients with HR− breast cancer, trastuzumab treatment showed no statistically significant difference between BCSS and OS following multivariate analysis. Conclusion: We found that the addition of trastuzumab to NAC improved relative survival benefit in HER2+/HR+ patients than in HER2+/HR− patients, even though the pCR rate increases were lower. Although pCR has been regarded as a surrogate marker for estimating long-term survival benefits after NAC, it alone may not translate into real long-term oncologic outcomes in particular cancer subtypes after trastuzumab-based NAC. Further longer-term evaluation of the objective survival benefit after NAC driven by a dual HER2 block according to HR status is warranted.