scholarly journals Immediate and early loading of hydrothermally treated, hydroxyapatite-coated dental implants: a 7-year prospective randomized clinical study

2021 ◽  
Vol 7 (1) ◽  
Author(s):  
Afarin Arghami ◽  
David Simmons ◽  
Jeanne St. Germain ◽  
Pooja Maney
Keyword(s):  
Survival Rate ◽  
Bone Loss ◽  
Age Distribution ◽  
Implant Survival ◽  
Randomized Clinical Study ◽  
Significant Difference ◽  
Group A ◽  
Group B ◽  
Plasma Sprayed

Abstract Background Existing research on marginal bone stability around hydroxyapatite (HA)-coated implants often lacks adequate long-term follow-up. The purpose of this randomized prospective study was to evaluate the 7-year outcome of patients with immediate and early loaded single-tooth restorations supported by implants with plasma-sprayed, partially HA-coated surfaces. Forty-two patients in need of 50 single implants were treated in in the Postgraduate Periodontics Clinic of Louisiana State University School of Dentistry. Implants were randomly divided into 2 groups: Group A was immediately loaded, and Group B was early loaded. Continuous follow-up with periodic maintenance care and radiographic evaluations was performed. The primary outcome of interest was implant survival, characterized using the Kaplan–Meier method. Secondary study outcome consisted of peri-implant crestal bone level changes. Data on age, sex, bone quality, implant location, length and diameter, and prior augmentation of the site were collected. Multiple regression analyses were conducted to determine whether the independent variables were associated with bone loss. Results One implant failed to maintain stability and was removed at 3 weeks. Thirty-four patients (14 males, 20 females with a total of 42 implants) completed the 7-year follow-up visit. Average age of evaluable patients was 52 in Group A and 55 in Group B. No significant difference was observed regarding sex and age distribution between the 2 groups. No significant difference was detected in the distribution of implant locations, types of bone, implant length, implant diameter, and augmentation status of the bone between the 2 groups. After 7 years of functioning for the 42 implants examined, implant survival rate was 100% for Group A and 95.5% for Group B. The results from this study of 50 implants showed that HA-coated Zimmer Tapered Screw-Vent Implants were clinically effective, with an overall cumulative 7-year survival rate of 98.0%. When comparing radiographic bone levels between 2-year and 7-year follow-ups, no significant differences in bone loss were found between Group A and Group B. Conclusions After 7 years in function, implants partially coated with plasma-sprayed and hydrothermally treated HA were clinically predictable when restored in occlusion immediately after or 3 weeks after implant placement.

scholarly journals The Long-Term Effect of Smoking on 10 Years’ Survival and Success of Dental Implants: A Prospective Analysis of 453 Implants in a Non-University Setting

2020 ◽  
Vol 9 (4) ◽  
pp. 1056
Author(s):  
Simon Windael ◽  
Stijn Vervaeke ◽  
Stefanie De Buyser ◽  
Hugo De Bruyn ◽  
Bruno Collaert
Keyword(s):  
Survival Rate ◽  
Bone Loss ◽  
Dental Implants ◽  
Rank Test ◽  
Implant Survival ◽  
Patient Level ◽  
Significant Difference ◽  
Single Inclusion ◽  
Modified Surface

Background: The purpose of this study was to compare the survival and peri-implant bone loss of implants with a fluoride-modified surface in smokers and non-smokers. Material and Methods: All patients referred for implant treatment between November 2004 and 2007 were scrutinized. All implants were placed by the same surgeon (B.C.). The single inclusion criterion was a follow-up time of at least 10 years. Implant survival, health, and bone loss were evaluated by an external calibrated examiner (S.W.) during recall visits. Radiographs taken at recall visits were compared with the post-surgical ones. Implant success was based on two arbitrarily chosen success criteria for bone loss (≤1 mm and ≤2 mm bone loss after 10 years). Implant survival in smokers and non-smokers was compared using the log-rank test. Both non-parametric tests and fixed model analysis were used to assess bone loss in both groups. Results: A total of 453 implants in 121 patients were included for survival analysis, and 397 implants in 121 patients were included for peri-implant bone-loss analysis. After a mean follow-up time of 11.38 years (SD 0.78; range 10.00–13.65), 33 implants out of 453 initially placed had failed in 21 patients, giving an overall survival rate of 92.7% and 82.6% on the implant and patient level, respectively. Cumulative 10 years’ survival rate was 81% on the patient level and 91% on the implant level. The hazard of implant loss in the maxilla was 5.64 times higher in smokers compared to non-smokers (p = 0.003). The hazard of implant loss for implants of non-smokers was 2.92 times higher in the mandible compared to the maxilla (p = 0.01). The overall mean bone loss was 0.97 mm (SD 1.79, range 0–17) at the implant level and 0.90 mm (SD 1.39, range 0–7.85) at the patient level. Smokers lost significantly more bone compared to non-smokers in the maxilla (p = 0.024) but not in the mandible. Only the maxilla showed a significant difference in the probability of implant success between smokers and non-smokers (≤1 mm criterion p = 0.003, ≤2 mm criterion p = 0.007). Taking jaw into account, implants in smokers experienced a 2.6 higher risk of developing peri-implantitis compared to non-smokers (p = 0.053). Conclusion: Dental implants with a fluoride-modified surface provided a high 10 years’ survival with limited bone loss. Smokers were, however, more prone to peri-implant bone loss and experienced a higher rate of implant failure, especially in the upper jaw. The overall bone loss over time was significantly higher in smoking patients, which might be suggestive for a higher peri-implantitis risk. Hence, smoking cessation should be advised and maintained after implant placement from the perspective of peri-implant disease prevention.

scholarly journals Dental Implants with Different Neck Design: A Prospective Clinical Comparative Study with 2-Year Follow-Up

Materials ◽  
2020 ◽  
Vol 13 (5) ◽  
pp. 1029 ◽  
Author(s):  
Pietro Montemezzi ◽  
Francesco Ferrini ◽  
Giuseppe Pantaleo ◽  
Enrico Gherlone ◽  
Paolo Capparè
Keyword(s):  
Survival Rate ◽  
Bone Loss ◽  
Dental Implants ◽  
Survival Rates ◽  
Marginal Bone Loss ◽  
Probing Depth ◽  
Group A ◽  
Group B ◽  
Wide Neck

The present study was conducted to investigate whether a different implant neck design could affect survival rate and peri-implant tissue health in a cohort of disease-free partially edentulous patients in the molar–premolar region. The investigation was conducted on 122 dental implants inserted in 97 patients divided into two groups: Group A (rough wide-neck implants) vs. Group B (rough reduced-neck implants). All patients were monitored through clinical and radiological checkups. Survival rate, probing depth, and marginal bone loss were assessed at 12- and 24-month follow-ups. Patients assigned to Group A received 59 implants, while patients assigned to Group B 63. Dental implants were placed by following a delayed loading protocol, and cemented metal–ceramic crowns were delivered to the patients. The survival rates for both Group A and B were acceptable and similar at the two-year follow-up (96.61% vs. 95.82%). Probing depth and marginal bone loss tended to increase over time (follow-up: t1 = 12 vs. t2 = 24 months) in both groups of patients. Probing depth (p = 0.015) and bone loss (p = 0.001) were significantly lower in Group A (3.01 vs. 3.23 mm and 0.92 vs. 1.06 mm; Group A vs. Group B). Within the limitations of the present study, patients with rough wide-neck implants showed less marginal bone loss and minor probing depth, as compared to rough reduced-neck implants placed in the molar–premolar region. These results might be further replicated through longer-term trials, as well as comparisons between more collar configurations (e.g., straight vs. reduced vs. wide collars).

Management of fresh odontoid fractures using posterior C1–2 fixation without fusion: a long-term clinical follow-up study

2021 ◽  
pp. 1-11
Keyword(s):  
Scale Score ◽  
Neck Disability Index ◽  
Implant Removal ◽  
Odontoid Fractures ◽  
Significant Difference ◽  
Flexion Extension ◽  
Group A ◽  
Group B

OBJECTIVE Posterior C1–2 fixation without fusion makes it possible to restore atlantoaxial motion after removing the implant, and it has been used as an alternative technique for odontoid fractures; however, the long-term efficacy of this technique remains uncertain. The purpose of the present study was to explore the long-term follow-up outcomes of patients with odontoid fractures who underwent posterior C1–2 fixation without fusion. METHODS A retrospective study was performed on 62 patients with type II/III fresh odontoid fractures who underwent posterior C1–2 fixation without fusion and were followed up for more than 5 years. The patients were divided into group A (23 patients with implant removal) and group B (39 patients without implant removal) based on whether they underwent a second surgery to remove the implant. The clinical outcomes were recorded and compared between the two groups. In group A, the range of motion (ROM) of C1–2 was calculated, and correlation analysis was performed to explore the factors that influence the ROM of C1–2. RESULTS A solid fracture fusion was found in all patients. At the final follow-up, no significant difference was found in visual analog scale score or American Spinal Injury Association Impairment Scale score between the two groups (p > 0.05), but patients in group A had a lower Neck Disability Index score and milder neck stiffness than did patients in group B (p < 0.05). In group A, 87.0% (20/23) of the patients had atlantoodontoid joint osteoarthritis at the final follow-up. In group A, the C1–2 ROM in rotation was 6.1° ± 4.5° at the final follow-up, whereas the C1–2 ROM in flexion-extension was 1.8° ± 1.2°. A negative correlation was found between the C1–2 ROM in rotation and the severity of tissue injury in the atlantoaxial region (r = –0.403, p = 0.024) and the degeneration of the atlantoodontoid joint (r = –0.586, p = 0.001). CONCLUSIONS Posterior C1–2 fixation without fusion can be used effectively for the management of fresh odontoid fractures. The removal of the implant can further improve the clinical efficacy, but satisfactory atlantoaxial motion cannot be maintained for a long time after implant removal. A surgeon should reconsider the contribution of posterior C1–2 fixation without fusion and secondary implant removal in preserving atlantoaxial mobility for patients with fresh odontoid fractures.

scholarly journals Comparison Between With Kirschner-wires Only And Combined Screw Fixation in Proximal Reverse Chevron osteotomy(PCMO) For Hallux Valgus Deformity

2017 ◽  
Vol 2 (3) ◽  
pp. 2473011417S0002
Author(s):  
Hwa Jun Kang ◽  
Hong-Geun Jung ◽  
Jong-Soo Lee ◽  
Sungwook Kim ◽  
Mao Yuan Sun
Keyword(s):  
Hallux Valgus ◽  
Screw Fixation ◽  
Fixation Method ◽  
Kirschner Wires ◽  
Significant Difference ◽  
Group A ◽  
The Mean ◽  
Group B ◽  
Severe Hallux Valgus

Category: Bunion Introduction/Purpose: Kirschner-wires fixation, sometimes we have encountered pin irritation or pull-out. This is the reason why we consider additional fixation. Moreover, there are few reports according to comparison of fixation method, and Most of them focused on comparison K-wires or screw fixation only. Purpose of study is to compare clinical and radiographic outcome between Kirschner-wires only and combined screw fixation. Methods: The study included two different groups according to fixation methods. One with Kirschner-wires fixation (KW group) included 117 feet(of 98 patients), the other with combined screw fixation (KWS group) 56 feet (of 40 patients) with moderate to severe hallux valgus. Clinically, the preoperative and final follow-up visual analog scale (VAS) pain scores, the preoperative and final follow-up American Orthopaedic Foot & Ankle Society (AOFAS) hallux metatarsophalangeal (MTP)-interphalangeal (IP) scores, and patient satisfaction after the surgery were evaluated. Radiographically, the hallux valgus angle (HVA), intermetatarsal angle (IMA), medial sesamoid position (MSP), and first to fifth metatarsal width (1-5MTW) were analyzed before and after surgery. Results: The mean AOFAS score improved preoperative 65.5 to 95.3 at final follow up in group A, while preoperative 56.5 to 88.6 at final follow up. Pain VAS decreased from 5.7 to 0.5 in group A, whereas from 6.2 to 1.6 in group B. The mean HVA all improved from preoperative 38.5 to 9.3 at final follow up in group A and 34.7 to 9.1 in group B. The mean IMA and MSP also improved significantly at final follow up. In comparative analysis, the IMA did not show significant difference between postoperative and final state in group A, while showed significant increase in group B. Conclusion: We achieved favorable clinical and radiographic outcomes with minimal complications in patient with moderate to severe hallux valgus in both groups. However, this study shows no statistically significant difference in IMA during follow-up period and lower recurrence rate. Therefore we need to consider combined fixation method to provide better stability and can expect lower recurrence rate.

scholarly journals A study to evaluate and compare the expulsion and continuation rates of post placental insertion of Cu 375 and CuT 380A in Indian women at a premier hospital in New Delhi, India

2017 ◽  
Vol 6 (9) ◽  
pp. 3992 ◽  
Author(s):  
Mansi Kumar ◽  
Mahesh Kumar ◽  
Parul Aggarwal ◽  
Archna Gangania ◽  
Rupali Dewan
Keyword(s):  
Removal Rate ◽  
New Delhi ◽  
Contraceptive Device ◽  
Indian Women ◽  
Significant Difference ◽  
Group A ◽  
Post Placental ◽  
Group B ◽  
Continuation Rates

Background: The Study was planned to evaluate and compare the expulsion and continuation rates of post placental insertion of Cu 375 and CuT380A in Indian women at Safdarjung Hospital New Delhi, after approval was obtained from Institutional Ethical committee.Methods: Study group consisted of 300 women, divided into two groups: Group A and Group B. The data was analysed by using ‘student “t” test/ non-parametric ‘Wilcoxon Mann Whitney’ for quantitative variables to evaluate the safety, efficacy and acceptability.Results: Mean age was 24.99 years (range: 19-35years), All women were married (off which 64% literate) and Mean parity in group A was 1.97 and 2.06 in group B. Mean pain score during intrauterine contraceptive device (IUCD) insertion on visual analogue scale was 2.93 in group A and 3 in group B and was not statistically different. 84% women completed 12 months follow up in group A and 83.33% women in group B. Strings were visible in 74% women in group A and in 34% women in group B at 1 month of IUCD insertion. Visibility of strings increased in successive follow up visits and was visible in >80% of women at the end of one year in the both groups. String visibility after intra-Caesarean insertion was delayed. Fifty one percent (n=77) subjects in group A and 54% (n=81) in group B experienced amenorrhea up to six months. Menorrhagia was reported in 7.33% in group A and women 8.66% in group B at the end of 1 year of follow up. Pain was complained by 26 out of 150 (17.3%) women in group A as compared to 36 out of 150 (24%) women in group B after 1 month of insertion. There was no case of PID in group A whereas there were 3 cases of PID in group B. There was no perforation/trauma and pregnancy in either group.Conclusions: Overall expulsion rate was 13% and removal rate was 5% in our study. Continuation rate was 83.3% in Cu 375 and 80.6% in CuT380A at 12 months. There was no significant difference between the IUCDs regarding the safety, efficacy and complications such as expulsion, bleeding etc.

Comparison of the Effects of Two Different Hollow Nails in the Treatment of the Young Pauwels Type Ⅲ Femoral Neck Fractures

2021 ◽  
Author(s):  
WENJING CHENG ◽  
GUOZHENG - DING
Keyword(s):  
Femoral Neck ◽  
Femoral Neck Fractures ◽  
Harris Hip Score ◽  
Avascular Osteonecrosis ◽  
Significant Difference ◽  
Group A ◽  
Random Number Table ◽  
Screw Withdrawal ◽  
Group B

Abstract Background: At present, there is a higher complication rate after treatment of femoral neck fractures with three parallel hollow nails (PHN) in the young Pauwels type Ⅲ femoral neck fractures.For better effect,F-shape hollow nails(FHN) is used to treat femoral neck fractures.The purpose of this study is to compare the clinical efficacy of FHN and PHN and provide reference for clinical application.Methods: Thirty-eight consecutive patients admitted from January 2017 to January 2020 were selected for the study. According to random number table method, the patients were divided into two groups:group A (FHN) and group B (PHN). The gender, age, BMI, comorbidities, time from injury to operation and other general preoperative demographics were not statistically different (P>0.05). The data of the two groups can be comparable.The occurrence of avascular osteonecrosis of the femoral head (AVN), femoral neck shortening, hollow screw withdrawal was recorded in follow-up.Then, Harris hip score (HHS), pain visual analog score (VAS) of two group were obtained at the last follow-up. Results: The mean follow-up period after surgery was 21.4±10.1 (range, 14–29) months. There were 18 cases(mean age, 47.5±9.6) in group A, 20 cases (mean age, 48.6±10.1) in group B. There was no significant difference between the two groups in AVN, femoral neck shortening (P>0.05), the two groups had statistically significant differences in screw withdrawal (F=4.416, P<0.05). There was no significant difference in HHS and VAS between the two groups at the last follow-up (P>0.05).Conclusion: Three parallel hollow nails (PHN) and F-shape hollow nails (FHN) have similar short-term effects in the young Pauwels type Ⅲ femoral neck fractures, but the nail withdrawal rate of FNH is lower.

scholarly journals Can early surgery improve the outcome of patients with meconium peritonitis? A single-center experience over 16 years

2019 ◽  
Vol 19 (1) ◽  
Author(s):  
Yi Jiang ◽  
Weihua Pan ◽  
Wenjie Wu ◽  
Weipeng Wang ◽  
Suna Sun ◽  
...  
Keyword(s):  
Birth Weight ◽  
Survival Rate ◽  
Gastrointestinal Disease ◽  
Early Stage ◽  
Significant Risk ◽  
Early Operation ◽  
Meconium Peritonitis ◽  
Significant Difference ◽  
Group A ◽  
Group B

Abstract Background In the last century, meconium peritonitis(MP)was once a highly fatal gastrointestinal. disease With the development of fetal radiological technology, abnormal signs, such as pseudocysts, can. be detected during the fetal period so that more patients can be diagnosed prenatally and receive surgery. in the early stage of life. The survival rate of MP has increased up to 80% in recent years. According to. a review of the treatment and outcomes of patients diagnosed with MP, we evaluated the influence of. early operation on survival rate and discussed the risk factors of prognosis. Methods We collected 79 cases of patients diagnosed with MP who were treated in our department. from October 2001 to December 2017. They were divided into 2 groups. Patients in group A were born. in our hospital. Patients in group B were born in a local hospital with suspicion of MP and then transferred. to our department. Results The birth weight (BW) and gestational age (GA) of patients were higher in group A than in. group B. There was no significant difference in the proportion of premature and low birth weight (LBW). patients between the two groups (p = 0.422, p = 0.970). Their age at the time of surgery was younger in. group A than in group B (1.4 ± 2.0 vs. 6.9 ± 14.9, p < 0.001). The overall survival rate of group A was higher. than that of group B (95.0% vs. 79.5%, p = 0.038). The prognosis of premature patients was worse than. that of full-term infants for both groups (p = 0.012). Conclusions Prematurity is a significant risk factor related to death for MP patients. The survival rate. of MP patients can be improved by early operation during the neonatal period.

scholarly journals Effect of Ultrasound Therapy on Patients With Osteoarthritis of The Knee Joint

KYAMC Journal ◽  
2017 ◽  
Vol 7 (2) ◽  
pp. 750-757
Author(s):  
Md Firoze Hasan ◽  
Muhammad Alamgir Mandal ◽  
Md Afzalur Rahman ◽  
Mohammad Moniruzzaman ◽  
Md Jahidul Islam ◽  
...  
Keyword(s):  
Small Sample ◽  
Osteoarthritis Of The Knee ◽  
Ultrasound Therapy ◽  
Therapeutic Exercise ◽  
Womac Index ◽  
Randomized Clinical Study ◽  
Significant Difference ◽  
Group A ◽  
Pre Treatment ◽  
Group B

Background: Osteoarthritis (OA) is the most common form of arthritis accounting for about 30% of general physician visits. Objectives: To detect the effects of ultrasound therapy on patients with osteoarthritis of the knee joint.Methodology: It was a prospective non randomized clinical study, conducted in the Department of Physical Medicine and Rehabilitation, Bangabandhu Sheikh Mujib Medical University, Shahbagh, Dhaka during the periods of 1st March, 2012 to 31st August, 2012. Fifty four patients between 35-75 years of age without consideration of gender with a history of not less than three months knee pain with radiographic confirmation of primary osteoarthritis were selected purposefully. Then they were divided randomly in group A & group B. Group A received g NSAID [Aceclofenac 100mg B.D.-10 days]+Omeprazol (20mg B.D.-10days) + Therapeutic exercise + ADL and Group B received gUST+NSAID [Aceclofenac 100mg B.D.-10 days]+ Omeprazol (20mg B.D.-10days) + Therapeutic exercise + ADL. In both groups the patients were observed for six weeks. Outcome measured by VAS, ROM, 50 feet walking time and WOMAC index.Results: Mean ± SD of age in group A and group B were 52.33 ± 9.62 years and 52.29 ± 9.67 years respectively. Among the 27 patients in group A 9 (33.3%) were male and 18 (66.7%) were female. Among the 27 patients in group B 10 (37.0%) were male and 18 (63.0%) were female. Mean ± SD of VAS during pre treatment in group A and group B were 6.22 ± 1.60 and 7.15 ± 1.56 respectively. Mean ± SD of ROM during pre treatment in group A and group B were 117.33 ± 13.05 and 112.37 ± 19.01 respectively. Mean ± SD of time taken to walk 50 feet during pre treatment in group A and group B were 18.22 ± 2.39 and 18.81 ± 2.13 minutes respectively. Mean ± SD of WOMAC index in group A and group B were 60.85 ± 15.86 and 67.33 ± 16.33 minutes respectively. After treatment in both groups VAS, time taken to walk 50 feet and WOMAC index gradually decreased and ROM gradually increased.Conclusion: Although the study conducted with small sample size in a single centre in Dhaka city which may not be representative for the whole country it was found that there was statistically significant difference found in VAS, ROM, and time taken to walk 50 feet and WOMAC index between the groups.KYAMC Journal Vol. 7, No.-2, Jan 2017, Page 750-757

Treatment of Major Laparoscopic Bile Duct Injury: A Long-Term Follow-up Result

2011 ◽  
Vol 77 (12) ◽  
pp. 1584-1588 ◽  
Author(s):  
Xiao Dong Xu ◽  
You Cheng Zhang ◽  
Pen Gao ◽  
Farah Bahrani-Mougeot ◽  
Ling Yi Zhang ◽  
...  
Keyword(s):  
Bile Duct ◽  
Bile Duct Injury ◽  
Tertiary Care ◽  
Secondary Operation ◽  
Significant Difference ◽  
Long Term Follow Up ◽  
Group A ◽  
Group B ◽  
Group D

The goal of this study is to present the multiple institutions experience comparing the outcome of management between initial laparoscopic cholecystectomy (LC) surgeon and specialist as well as the outcome of different operative procedures to major bile duct injury (BDI) after LC. We have retrospectively collected data of 77 cases of perioperatively detected major BDI in LC at 15 general surgical institutions from 1997 to 2007. We classified 42 cases treated by an experienced biliary surgeon as Group A and 35 cases treated by the initial LC surgeon as Group B. Forty-eight cases were treated with duct-to-duct anastomosis as Group C and 29 cases were treated with Roux-en-Y choledochojejunostomy as Group D. The median duration of follow-up was 62 months. The outcome of groups was compared. In Group A, 7 of 42 (16.7%) patients developed a failure. Two of seven (28.6%) patients were treated by a secondary operation. In Group B, 24 of 35 (68.6%) patients developed a failure. Seventeen of 24 (70.8%) patients were treated by a secondary operation. One of 35 (2.85%) patients died. The significant differences were observed in failure and secondary operations (16.7 vs 68.6%, P < 0.01 and 28.6 vs 70.8%, P < 0.01). There is no significant difference Group C and Group D in failure rate (28.5 vs 11.7%, P > 0.05). A multiple institutional cooperative methodology between the local surgical institution and tertiary care centers provided a good way to limit further operations, failure. The reconstructive strategy is important and should be selected according to the type of injury and the diagnosed status of major BDI.

scholarly journals A Comparative Study on Efficacy of Polymyxin B, Neomycin and Polymyxin B, Neomycin, Hydrocortisone in the Treatment of Otitis Externa at Nepal Medical College and Teaching Hospital, Kathmandu

2017 ◽  
Vol 2 (2) ◽  
pp. 162-167
Author(s):  
Mayuri Gupta ◽  
S Aryal
Keyword(s):  
Teaching Hospital ◽  
Otitis Externa ◽  
Clinical Signs ◽  
Polymyxin B ◽  
Medical College ◽  
Significant Difference ◽  
Group A ◽  
Group B ◽  
Cure Rates

IntroductionAcute otitis externa (AOE) is a common but preventable ear condition. Tenderness with movement of the tragus or pinna is a classic feature of otitis Externa. Polymyxin B, neomycin, hydrocortisone preparations are the choice for first-line therapy when the tympanic membrane is intact. This study atiempted to compare the efficacy of polymyxin B, neomycin and polymyxin B, neomycin, hydrocortisone in the treatment of otitis Externa.ObjectiveTo compare the efficacy of polymyxin B, neomycin and polymyxin B, neomycin, hydrocortisone in the treatment of otitis Externa.MethodologyTo evaluate the efficacy of polymyxin B, neomycin and polymyxin B, neomycin, hydrocortisone in the treatment of otitis Externa, a hospital based, randomized, prospective study was conducted in Nepal Medical College and Teaching Hospital (NMCTH), Atiarkhel, Kathmandu from August 2012 to May 2014. 70 outpatients suffering from otitis Externa who met the inclusion and exclusion criteria were included. Patients were randomized into group A and group B with lotiery system. Odd number patients were included in group A and even number patients in group B. Group A patients received pack soaked with ribbon gauge in polymyxin B, neomycin ointment and Group B patients received pack soaked with ribbon gauge in polymyxin B, neomycin, hydrocortisone ointment. The patients were called for follow up after 48 hours and 96 hours to assess the improvement on the basis of tragal and circumduction tenderness either present or absent (present 1 or absent 2). A decrease in the clinical signs and symptoms (i.e. tragal and circumduc_on tenderness) was noted. Absence of pain was considered as clinically cured.ResultsIn comparison to polymyxin B, neomycin group, hydrocortisone group exhibited statistically significant effectiveness after 48 hours of treatment (p<0.05), but in cure rates after 96 hours, no statistical significant difference was observed between two groups (p>0.05).ConclusionPolymyxin B, neomycin, hydrocortisone group showed higher and faster cure rates than polymyxin B, neomycin group in the treatment of otitis Externa at 48 hours follow up. Birat Journal of Health SciencesVol.2/No.1/Issue 2/ Jan - April 2017, Page: 162-167 

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