***TASK*** the task is to summarize an input biomedical literature in six sentences 
    ***INPUT*** the input is a biomedical literature 
    ***OUTPUT*** the output is the summary of an input biomedical literature in six sentences 
    ***DOCUMENTATION*** 
    ***EXAMPLES*** 
    Input: OBJECTIVES To assess the morbidity and efficacy of bipolar radiofrequency thermal ablation tonsillectomy and compare it with traditional cold dissection tonsillectomy with diathermy hemostasis . DESIGN Prospect i ve , r and omized , single-blinded , controlled clinical study . SETTING Helsinki University Central Hospital , Department of Otorhinolaryngology-Head & Neck Surgery , Helsinki , Finl and . PATIENTS Forty healthy volunteer patients aged 18 to 65 years admitted for elective tonsillectomy with recurrent or chronic tonsillitis , obstructive tonsillar hypertrophy , or history of quinsy . Two patients were excluded from the study and 1 patient cancelled the operation . INTERVENTIONS Nineteen patients underwent a traditional cold dissection tonsillectomy with diathermy hemostasis , and 18 patients underwent a bipolar radiofrequency thermal ablation tonsillectomy . There was no intergroup difference in age , sex , weight , and indications for tonsillectomy . The subjects were not informed of the type of procedure until the telephone interview 3 weeks after the operation . MAIN OUTCOME MEASURES Operating time and intraoperative blood loss ; need for anesthetics during the operation ; different recovery indicators in the recovery room ( ie , duration and medications administered ) , surgical ward ( ie , medications administered , use of corticosteroids , general condition , and status of the uvula on the first postoperative day ) , and in the 2 weeks following surgery ( ie , visual analog scale scores on 6 symptoms , medications needed , the day patients returned to work , use of antibiotics , and retreatment acceptance ) ; and complications and certain laboratory parameters . RESULTS There was a statistically significant but clinical ly insignificant difference in operating time and intraoperative blood loss in favor of the traditional tonsillectomy group . The other outcome measures showed no statistically significant differences . CONCLUSION Bipolar radiofrequency thermal ablation and traditional tonsillectomy were associated with similar postoperative morbidity OBJECTIVE Tonsillectomy has been described using a number of techniques . Recently Coblation Technology has been used to remove tonsils with anecdotal evidence of a reduction in post-operative morbidity . In this study we aim to see if there is any difference in post-operative pain , tonsillar fossae healing and return to a normal diet performing  tonsillectomy  , using tissue coblation compared with st and ard bipolar dissection . METHODS A double blind r and omised control trial to compare the technique of tissue coblation with st and ard bipolar dissection to remove tonsils in 38 children on the waiting list for tonsillectomy , with a history of chronic tonsillitis or obstructive tonsils . RESULTS A significant reduction in post-operative pain was found in the children whose tonsils were removed by tissue coblation ( P<0.0001 ) . More rapid healing of the tonsillar fossae was found in the coblation group . Children who had their tonsils removed by coblation were found to return to their normal diet far sooner than those who underwent bipolar dissection . There were no episodes of primary or secondary haemorrhage in either group . CONCLUSIONS This new technique using tissue coblation for tonsil removal offers significant advantages in the post-operative period , with rapid return to a normal diet and a drastic reduction in analgesic requirements following the surgery Objectives Coblation is operated in low temperature , so it is proposed that tonsillectomy with coblation involves less postoperative pain and allows accelerated healing of the tonsillar fossae compared with other methods involving heat driven processes . However , the results of the previous studies showed that the effect of coblation tonsillectomy has been equivocal in terms of postoperative pain and hemorrhage . Though , most of the previous studies which evaluated coblation tonsillectomy were performed in children . Recently , electrocautery tonsillectomy has been used most widely because of the reduced intraoperative blood loss and shorter operative time compared to other techniques . This prospect i ve study compared intraoperative records and postoperative clinical outcomes in adolescents and adults following coblation and electrocautery tonsillectomies . Methods Eighty patients over 16 years of age with histories of recurrent tonsillitis were enrolled . The patients were r and omly allocated into coblation ( n=40 ) and electrocautery tonsillectomy groups ( n=40 ) . All operations were performed by one surgeon who was skilled in both surgical techniques . Intraoperative parameters and postoperative outcomes were checked . Results Postoperative pain and otalgia were not significantly different between the two groups ; however , there was a tendency towards reduced pain and otalgia in the coblation group . More cotton balls for swabbing the operative field were used introoperatively in the electrocautery group ( P=0.00 ) . There was no significant difference in postoperative hemorrhage , wound healing , commencement of a regular diet , and foreign body sensation between the groups . Conclusion Only cotton use , which represented the amount of blood loss , was less in the coblation tonsillectomy group . Coblation tonsillectomy warrants further study with respect to the decreased postoperative pain and otalgia Coblation  tonsillectomy  has shown promising results with respect to postoperative pain when compared with other techniques . Our study was design ed to compare this technique with bipolar scissor tonsillectomy .  Forty adult patients with a history of chronic or recurrent tonsillitis referred for st and ard tonsillectomy were recruited and r and omized into two groups . Twenty were operated with Coblator and 20 with bipolar scissors .  Exclusion criteria were a history of quinsy , bleeding disorder , or any major health problems . All participants completed the study . Postoperative pain , return to normal diet , and estimated need for sick leave were utilized as parameters . Data on operative time , difficulty of tissue removal , and hemostasis were also analyzed . Operative time was longer ( P < 0.001 ) and tissue removal as well as hemostasis control were more difficult ( P = 0.005 , P = 0.013 ) with Coblator than with bipolar scissors . Participants in Coblator group assessed higher pain scores 1 and 3 h postoperatively ( P = 0.044 , P = 0.036 ) . From the time of extubation , patients had access to an opioid ( fentanyl ) via a self-controlled analgesia device . The number of doses of analgesics needed during the hospital stay was significantly higher in the Coblator group ( P = 0.020 ) . During the 14-day follow-up , no significant differences were found in pain scores , return to solid food or subjective working ability between the groups . Considering the overall outcome of the patients the results did not favor coblation technique over bipolar scissors The aim of this prospect i ve r and omized single blind study was to determine the depth of thermal damage to tonsillar tissue due to coblation , and to compare it with thermal damage to tonsillar tissue following conventional tonsillectomy ; to correlate the depth of thermal damage to tonsillar tissue with the parameters of postoperative morbidity , to compare intraoperative blood loss , postoperative pain severity , time to resuming normal physical activity , and incidence of postoperative bleeding between two groups of tonsillectomized children aged up to 16 years . 72 children aged 3 - 16 years scheduled for tonsillectomy r and omly assigned into two groups su bmi tted either to conventional tonsillectomy with bipolar diathermy coagulation or to coblation tonsillectomy , with a 14-day follow up . Statistically significant differences were observed in the depth of thermal damage to tonsillar tissue ( p < 0.001 ) , intraoperative blood loss ( p < 0.004 ) , in postoperative pain severity ( p < 0.05 ) and in time to resuming normal physical activity between the two groups ( p < 0.001 ) . There was no case of reactionary or secondary bleeding in either group . In this paper for the first time we have correlated postoperative morbidity and thermal tissue damage : less thermal damage is associated with less postoperative morbidity OBJECTIVE To compare plasma-mediated ablation ( PMA ) with monopolar electrosurgery ( MES ) for pediatric tonsillectomy . DESIGN Prospect i ve , r and omized , blinded study . SETTING Academic children 's hospital . PARTICIPANTS Thirty-four children , aged 4 to 7 years . INTERVENTIONS Tonsillectomy by means of PMA ( n = 17 ) or MES ( n = 17 ) . OUTCOME MEASURES We measured surgical efficacy , estimated blood loss , and surgical time during tonsillectomy and morphine use , immediate postoperative pain , and recovery scores after tonsillectomy . Parents recorded recovery of normal diet and activity and their own return to work for 10 days after surgery . Histopathologic evaluation of excised tonsils was performed . We review ed medical records and attempted follow-up telephone contact . RESULTS With no significant difference in blood loss compared with MES , PMA was effective for tonsillectomy . Performance of PMA took longer ( 24 vs 16 minutes ; P = .002 ) . Results of histopathologic evaluation showed less thermal injury with PMA than with MES ( P = .03 ) . Morphine consumption , pain , and recovery scores were equivalent between groups . We found no significant difference in recovery of normal diet and activity or parental return to work .  Patients undergoing PMA  had a greater number of perioperative complications than those undergoing MES , including 2 patients in the PMA group ( compared with none in the MES group ) who required unplanned admission for postoperative airway obstruction . CONCLUSIONS Plasma-mediated ablation for pediatric tonsillectomy result ed in less histopathologic thermal injury than MES , but did not show a statistically faster recovery to normal activity and diet or parental return to work . In addition , PMA took longer to perform , and had more complications . Therefore , PMA should not replace MES for pediatric tonsillectomy . The reduced thermal injury with PMA supports investigation into other means of using plasma ablation to treat tonsillar hypertrophy OBJECTIVE To conduct an adequately powered , prospect i ve , r and omised , controlled trial comparing  adult dissection tonsillectomy  using either ultrasonic scalpel , bipolar electrocautery , bipolar radiofrequency or ' cold steel ' dissection . METHODS Three hundred patients were r and omised into four tonsillectomy technique groups . The operative time , intra-operative bleeding , post-operative pain , tonsillar fossa healing , return to full diet , return to work and post-operative complications were recorded . RESULTS The bipolar radiofrequency group had a shorter mean operative time . The mean intra-operative blood loss during bipolar radiofrequency tonsillectomy was significantly less compared with cold dissection and ultrasonic scalpel tonsillectomy .  Pain scores were significantly higher after bipolar electrocautery tonsillectomy . Patients undergoing bipolar electrocautery tonsillectomy required significantly more days to return to full diet and work . The bipolar electrocautery group showed significantly reduced tonsillar fossa healing during the first and second post-operative weeks . CONCLUSION In this adult series , bipolar radiofrequency tonsillectomy was superior to ultrasonic , bipolar electrocautery and cold dissection tonsillectomies . This method combines the advantages of ' hot ' and ' cold ' tonsillectomy Objectives : The aim of this study was to compare postoperative symptoms following coblation tonsillectomy  with those experienced following a traditional cold dissection Objective Comparison of coblation and monopolar electrocautery tonsillectomy in terms of postoperative pain and recovery . Study Design Prospect i ve double-blind r and omized controlled trial . Methods Patients with recurrent tonsillitis requiring tonsillectomy were r and omized to 2 groups : coblation or monopolar electrocautery tonsillectomy .  Postoperative pain , complications , and days taken to return to work and normal diet were compared and analyzed with the aid of a pain diary , given to the patient . Results 67 patients were recruited . Patients undergoing coblation tonsillectomy were able to return to normal diet in a shorter space of time following surgery . Patients undergoing coblation tonsillectomy were more likely to recommend the surgery than patients undergoing electrocautery tonsillectomy . No significant differences in the daily visual analog score for pain were seen for both groups of patients . Conclusions Our results showed that coblation tonsillectomy has a faster recovery period and may offer advantages when compared to monopolar electrocautery tonsillectomy OBJECTIVES To compare the advantages and disadvantages of potassium titanyl phosphate laser with those of bipolar radiofrequency techniques , in paediatric tonsillectomy . STUDY DESIGN Prospect i ve , r and omised , clinical study . PATIENTS AND METHODS From July 2004 to April 2006 , 80 patients aged between 10 and 15 years , with tonsillectomy planned for chronic tonsillitis , were included in the study . Children were prospect ively r and omised into two equal groups : potassium titanyl phosphate laser tonsillectomy and bipolar radiofrequency tonsillectomy . Operative time and intra-operative blood loss were recorded . Patients were scheduled for follow up during the first , second and fourth post-operative weeks . They were asked to record their pain and discomfort on a st and ardised visual analogue scale , from zero ( no pain ) to 10 ( severe pain ) . Post-operative complications were also recorded and managed . RESULTS The potassium titanyl phosphate laser group showed a slightly longer operative time ( mean 12 minutes ) than the bipolar radiofrequency group ( mean 10 minutes ) . Intra-operative blood loss was significantly less in the potassium titanyl phosphate laser group ( mean 21 cm3 ) than in the bipolar radiofrequency group ( mean 30 cm3 ) 
    Output:
    
More recent studies appeared to fare more favourably in terms of pain outcomes and operating time .
The coblation technique appears to be comparable with other commonly employed techniques for tonsillectomy ; however , there is still no strong evidence to suggest that it possesses any definitive benefits .