Background: Since open Wiltse approach allows limited visualization for foraminal stenosis leading to an incomplete decompression, we report the short-term clinical and radiological results of unilateral biportal endoscopic foraminal decompression using $0^{\circ}$ or $30^{\circ}$ endoscopy with better visualization. Methods: We examined 31 patients that underwent surgery for neurological symptoms due to lumbar foraminal stenosis which was refractory to 6 weeks of conservative treatment. All 31 patients underwent unilateral biportal endoscopic far-lateral decompression (UBEFLD). One portal was used for viewing purpose, and the other was for surgical instruments. Unilateral foraminotomy was performed under guidance of $0^{\circ}$ or $30^{\circ}$ endoscopy. Clinical outcomes were analyzed using the modified Macnab criteria, Oswestry disability index, and visual analogue scale. Plain radiographs obtained preoperatively and 1 year postoperatively were compared to analyze the intervertebral angle (IVA), dynamic IVA, percentage of slip, dynamic percentage of slip (gap between the percentage of slip on flexion and extension views), slip angle, disc height index (DHI), and foraminal height index (FHI). Results: The IVA significantly increased from $6.24^{\circ}{\pm}4.27^{\circ}$ to $6.96^{\circ}{\pm}3.58^{\circ}$ at 1 year postoperatively (p = 0.306). The dynamic IVA slightly decreased from $6.27^{\circ}{\pm}3.12^{\circ}$ to $6.04^{\circ}{\pm}2.41^{\circ}$, but the difference was not statistically significant (p = 0.375). The percentage of slip was $3.41%{\pm}5.24%$ preoperatively and $6.01%{\pm}1.43%$ at 1-year follow-up (p = 0.227), showing no significant difference. The preoperative dynamic percentage of slip was $2.90%{\pm}3.37%$; at 1 year postoperatively, it was $3.13%{\pm}4.11%$ (p = 0.720), showing no significant difference. The DHI changed from $34.78%{\pm}9.54%$ preoperatively to $35.05%{\pm}8.83%$ postoperatively, which was not statistically significant (p = 0.837). In addition, the FHI slightly decreased from $55.15%{\pm}9.45%$ preoperatively to $54.56%{\pm}9.86%$ postoperatively, but the results were not statistically significant (p = 0.705). Conclusions: UBEFLD using endoscopy showed a satisfactory clinical outcome after 1-year follow-up and did not induce postoperative segmental spinal instability. It could be a feasible alternative to conventional open decompression or fusion surgery for lumbar foraminal stenosis.
Jang, Kun-Soo;Kim, Heyun-Sung;Ju, Chang-Il;Kim, Seok-Won;Lee, Sung-Myung;Shin, Ho
Journal of Korean Neurosurgical Society
/
v.49
no.3
/
pp.163-166
/
2011
Objective : Both the paraspinal muscle sparing approach and percutaneous screw fixation are less traumatic procedures in comparison with the conventional midline approach. These techniques have been used with the goal of reducing muscle injury. The purpose of this study was to evaluate and to compare the safety and efficacy of the paraspinal muscle sparing technique and percutaneous screw fixation for the treatment of L5-S1 spondylolisthesis. Methods : Twenty patients who had undergone posterior lumbar interbody fusion (PLIF) at the L5-S1 segment for spondylolisthesis were prospectively studied. They were divided into two groups by screw fixation technique (Group I : paraspinal muscle sparing approach and Group II: percutaneous screw fixation). Clinical outcomes were assessed by Low Back Outcome Score (LBOS) and Visual Analogue Scale (VAS) for back and leg pain at different times after surgery. In addition, modified MacNab's grading criteria were used to assess subjective patients' outcomes 6 months after surgery. Postoperative midline surgical scarring, intraoperative blood loss, mean operation time, and procedure-related complications were analyzed. Results : Excellent or good results were observed in all patients in both groups 6 months after surgery. Patients in both groups showed marked improvement in terms of LBOSs all over time intervals. Postoperative midline surgical scarring and intraoperative blood loss were lower in Group II compared to Group I although these differences were not statistically significant. Low back pain (LBP) and leg pain in both groups also showed significant improvement when compared to preoperative scores. However, at 7 days and 1 month after surgery, patients in Group II had significantly better LBP scores compared to Group I. Conclusion : In terms of LBP during the early postoperative period, patients who underwent percutaneous screw fixation showed better results compared to ones who underwent screw fixation via the paraspinal muscle sparing approach. Our results indicate that the percutaneous screw fixation procedure is the preferable minimally invasive technique for reducing LBP associated with L5-S1 spondylolisthesis.
Journal of Dental Rehabilitation and Applied Science
/
v.28
no.4
/
pp.423-439
/
2012
This case report described a technique utilizing a computer-aided design (CAD)/computer-aided machining (CAM) - guided surgical implant placement and prefabricated temporary fixed prosthesis for an immediately loaded restoration. The advantages of CAD/CAM guided implant procedures are flapless, minimally invasive surgery and shorter surgery time. With this technique, less postoperative morbidity and delivery of prosthesis for immediate function would be possible. A patient with an edentulous maxilla received 8 implants in maxilla using CAD/CAM surgical templates. Prefabricated provisional maxillary implant supported fixed prosthesis were connected immediately after implant installation. Provisional prosthesis was evaluated for aesthetics, function during 6 months. Definitive implant supported fixed porcelain fused metal bridges were fabricated.
Journal of Dental Rehabilitation and Applied Science
/
v.27
no.2
/
pp.233-245
/
2011
With the use of computed tomography (CT), computer-aided design/computer-assisted machining (CAD/CAM) technology and internet, the implant dentistry has been evolved. The surgical templates made by CAD/CAM technology and precise installation of implants, permit restorations to be inserted immediately after implants have been placed. The advantages of CAD/CAM guided implant procedures are flapless, minimally invasive surgery and shorter surgery time. With this technique, less postoperative morbidity and delivery of prosthesis for immediate function would be possible. A patient with an edentulous maxilla and mandible received 7 implants in mandible using CAD/CAM surgical templates. Prefabricated provisional fixed prostheses were connected immediately after implant installation. Provisional prostheses were evaluated for aesthetics and function during 6 months. Definitive prostheses were fabricated. At 6 months recall appointment, patient's occlusion was slightly changed. To prevent additional adverse effect, regular check-up and occlusal adjustment would be needed.
Glinka, Juan;Diaz, Federico;Alva, Augusto;Mazza, Oscar;Claria, Rodrigo Sanchez;Ardiles, Victoria;Santibanes, Eduardo de;Pekolj, Juan;Santibanes, Martin de
Radiation Oncology Journal
/
v.36
no.3
/
pp.210-217
/
2018
Purpose: Pancreatic cancer (PC) has not changed overall survival in recent years despite therapeutic efforts. Surgery with curative intent has shown the best long-term oncological results. However, 80%-85% of patients with these tumors are unresectable at the time of diagnosis. In those patients, first therapeutic attempts are minimally invasive or surgical procedures to alleviate symptoms. The addition of radiotherapy (RT) to standard chemotherapy, ergo chemoradiation, in patients with locally advanced pancreatic cancer (LAPC) is still controversial. The study aims to compare outcomes in patients with a double bypass surgery due to LAPC treated or not with RT. Materials and Methods: A retrospective cohort study of patients with double bypass for LAPC were registered and divided into two groups: treated or not with postoperative RT. Baseline characteristics, postoperative complications, those related to RT and their relation to the main event (mortality) were compared. Results: Seventy-four patients were included. Surgical complications between the groups did not offer significant differences. Complications related to RT were mostly mild, and 86% of patients completed the treatment. Overall survival at 1 and 2 years for patients in the exposed group was 64% and 35% vs. 50% and 28% in the non-exposed group, respectively (p = 0.11; power 72%; hazard ratio = 0.53; 95% confidence interval, 0.24-1.18). Conclusion: We observed a tendency for survival improvement in patients with postoperative RT. However, we've not had enough power to demonstrate this difference, possibly due to the small sample size. It is indispensable to develop randomized and prospective trials to guide more specific treatment lines in this patients.
Cho, Jaeho;Cho, Byung-Ki;Park, Hyun-Woo;Sung, Ki-Sun;Bae, Su-Young;The Academic Committee of Korean Foot and Ankle Society,
Journal of Korean Foot and Ankle Society
/
v.25
no.4
/
pp.157-164
/
2021
Purpose: This study aimed to report the current trends in the management of the hallux valgus (HV) deformity over the last few decades through a survey of the Korean Foot and Ankle Society (KFAS) members. Materials and Methods: A web-based questionnaire containing 34 questions was sent to all KFAS members in September 2021. The questions were mainly related to the preferred techniques and clinical experience in correction in patients with an HV deformity. Answers with a prevalence of ≥50% of respondents were considered a tendency. Results: One hundred and nine (19.8%) of the 550 members responded to the survey. The most common symptom for determining surgical treatment was bunion pain (68.8%), and different surgical techniques were selected according to the following radiological parameters: HV angle 30 to 40 degrees and intermetatarsal angle 15 to 20 degrees. The two procedures most preferred by the respondents were distal chevron osteotomy (55.0%), and proximal chevron osteotomy (21.1%). In an average of 71.6% of respondents, Arkin osteotomy was performed simultaneously during HV surgery. HV accompanied by an overriding deformity of the second toe was most often addressed with a combination of second metatarsal osteotomy and soft tissue rebalancing procedure (35.8%). After HV surgery, the recurrence rate of HV deformity was found to be 12.2% on average and the surgeons who had performed minimally invasive surgery (MIS) for HV comprised 34.9% of the total respondents. Conclusion: This study provides updated information on the current trends in the management of the HV deformity in Korea. Both consensus and variation in the approach to patients with HV were identified by this survey study. Although MIS for HV has increased, it appears the consensus for selecting this method has not yet been established.
Cho, Jung-Soo;Yoon, Yong-Han;Kim, Joung-Taek;Kim, Kwang-Ho;Hong, Yung-Jin;Jun, Yong-Hoon;Shinn, Helen Ki;Baek, Wan-Ki
Journal of Chest Surgery
/
v.40
no.12
/
pp.837-842
/
2007
Background: Closure of the ductus arteriosus is often delayed in premature infants, which creates a hemodynamically significant left to right shunt that exerts an adverse effect on the normal development and growth of these babies. We reviewed out experience on surgical closure of patent ductus arteriosus via axillary minithoracotomy in premature infants. Material and Method: From April 2002 to October 2006, 20 premature infants whose gestation was under 37 weeks underwent surgical closure of patent ductus arteriosus as a result of complications or contra-indications for the use of indomethacin. Their mean gestational age was 28.8+3.4 weeks, ranging from 25+3 to 34+6 weeks, and the average age at operation was $15.6{\pm}6.3$ days. The mean body weight at operation was $1,174{\pm}416\;g$, ranging from 680 to 2,100g; 16 infants were under 1,500 and 9 infants were under 1,000 g. The procedures were performed in the newborn intensive care unit via $2{\sim}3\;cm$ long axillary minithoracotomy with the infant in the lateral position with left arm abduction. The mean size of the patent ductus arteriosus was $3.8{\pm}0.3\;mm$. For the most part, the ductus was closed with clips; 2 infants in whom the ductus was ruptured while dissection was being performed underwent ductal division. Result: Ten of twelve infants who had been ventilator dependent preoperatively could be successfully weaned from the ventilator at a mean duration of 9.7 days after the operation. There was no procedure-related complication or death. Two infants eventually died of the conditions not related to the operation; one from sepsis at postoperative 131 days and the other from pneumonia at postoperative 41 days, respectively. Conclusion: Surgical closure of the patent ductus arteriosus improved the hemodynamic instability and so promoted the successful growth and normal development of premature infants. Considering the low surgical risk along with the reduced invasiveness, early and aggressive surgical intervention is highly recommended.
Background: Video-assisted thoracic sympathicotomy is a definitive minimally invasive treatment for axillary hyperhidrosis. Different techniques exist for controlling axillary hyperhidrosis, but they are temporary and expensive. We compared the results after using two different levels of sympathicotomy for treating axillary hyperhidrosis: T3-T4 and T4. Material and Method: Between June 2002 and May 2007, 30 patients with isolated axillary hyperhidrosis underwent either T3-T4 or T4 thoracoscopic sympathicotomy in the Department of Thoracic & Cardiovascular Surgery at Wonkwang University Hospital. The patients were divided into two groups. Group I (n=15) was composed of patients who underwent T3-T4 sympathicotomy (thermal ablation), and Group II (n=15) was composed of patients who underwent T4 sympathicotomy (thermal ablation). The procedures were bilateral and simultaneous, involving the use of two 2-mm trocars and a 0-degree 2-mm thoracoscope under general anesthesia with single endotracheal intubation. Outcome parameters included satisfaction rate of treatment, degree of compensatory sweating, and postoperative complications. Patients were interviewed by telephone regarding satisfaction and compensatory hyperhidrosis. Result: There were no differences in age between group I and group II. The mean follow-up for the T3-T4 group was $38.7{\pm}2.3$ months, and the mean follow-up for the T4 group was $18.7{\pm}3.6$ months. The immediate therapeutic success rate (within 2 weeks postoperative) was 100% in both groups, and there were no recurrences in either group during the long-term follow-up period. The satisfaction rate was higher (93.3%) in the T4 group than in the T3-T4 group (53.3%), and the incidence of compensatory hyperhidrosis was lower in the T4 group (6.7%) than in the T3-T4 group (46.7%). Postoperative complications included one mild pneumothorax and two instances of intercostal neuralgia. Digital infrared thermographic imaging (DITI) correlated well with postoperative satisfaction. Conclusion: Both techniques proved effective for controlling isolated axillary hyperhidrosis. The T4 group had a higher satisfaction rate and lower severity of compensatory hyperhidrosis. Hence, thermal ablation of the lower interganglionic fibers of the third thoracic sympathetic ganglion on the fourth rib is a more practical and minimally invasive treatment than is the T3-T4 surgical method, according to the degree of compensatory sweating in isolated axillary hyperhidrosis.
Kim, IL-Hyeon;Kim, Kwang-Taik;Lee, In-Sung;Kim, Hyoung-Mook;Kim, Hark-Jei;Lee, Gun
Journal of Chest Surgery
/
v.31
no.3
/
pp.226-232
/
1998
With recent advancements in the instrumentation and technique of VATS, it has become the method of choice to cure facial hyperhidrosis. From July 1996 to April 1997, we performed 43 thoracic lower stellate ganglionectomy with VATS for facial hyperhidrosis. There were 33 men and 10 women whose ages ranged from 17 to 63 years(mean age, 37 years). Of those patients, 23 complained only of facial hyperhidrosis, and 20 complained of facial hyperhidrosis along with excessive sweating of the palm or foot. Thoracoscopic sympathetic ganglionectomy procedures included lower stellate ganglionectomy in 12 patients; lower stellate ganglionectomy and T2-sympathetic ganglionectomy in 28 patients; and lower stellate, T2 and T3 sympathetic ganglionectomy in 3 patients. Common complications were compensatory hyperhidrosis(36 patients) and causalgia(8 patients). At the end of the follow-up period(minimum, 3 months) ninety-five percent of the patients reported satisfactory results. Thoracic lower stellate ganglionectomy with VATS is an efficient, safe and minimally invasive surgical procedure for facial hyperhidrosis.
For the management of a secondary spontaneous pneumothorax, videothoracoscopic surgery may offer the potential therapeutic benefits of a minimally invasive approach. We report on a series of 36 patients(33 men and 3 women) with a mean age of 56.3 years(range, 31 to 80 years) who underwent thoracoscopic surgical procedures for the treatment of secondary spontaneous pneumothorax. Twenty-one patients had emphysema and 20 patients had old pulmonary tuberculosis. Nineteen patients presented a persistent severe air leak more than 3 days preoperatively and 15 patients had more than one recurrence. Bullectomy or exclusion of the lesion was performed in 33 patients. Mechanical pleurodesis was performed in the entire patients, talc was sprayed in 22 and vibramycin in 14. Mild pleural adhesion at the upper lobe was shown in 10 patients and severe pleural adhesion in 7 patients. One patient with persistent air leak died of persistent air leak and respiratory failure. The mean postoperative stay was 7.0 days(range, 2 to 17 days). At a mean follow-up of 15.8 months (range, 5 to 45 months), no pneumothorax had recurred. In comparison with the result of the treatment for 112 patients with primary spontaneous pneumothorax, the operating time was not significantly longer and there were no more primary treatment failures, but the duration of postoperative chest drainage and hospital stay was longer. Videothoracoscopic surgery has proved to be an effective treatment for secondary spontaneous pneumothorax in elderly patients who represent high-risk candidates for thoracotomy.
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