CENTRAL (CRS)	MEDLINE (Ovid)	EMBASE (Ovid)
1 MESH DESCRIPTOR Sleep Apnea Syndromes AND CENTRAL:TARGET 2 MESH DESCRIPTOR Sleep Apnea, Obstructive EXPLODE ALL AND CENTRAL:TARGET 3 MESH DESCRIPTOR Snoring EXPLODE ALL AND CENTRAL:TARGET 4 MESH DESCRIPTOR Airway Obstruction EXPLODE ALL AND CENTRAL:TARGET 5 MESH DESCRIPTOR Hypertrophy AND CENTRAL:TARGET 6 (sleep* and (apnea* or hypopnea* or apneahypopnea* or apnoea* or hypopnoea* or apnoeic) ):AB,EH,KW,KY,MC,MH,TI,TO AND CENTRAL:TARGET 7 (sleep* NEAR3 disorder* NEAR3 breath* ):AB,EH,KW,KY,MC,MH,TI,TO AND CENTRAL:TARGET 8 (OSA or OSAS or OSAHS or SDB or SRBD or OSDB or SAHS ):AB,EH,KW,KY,MC,MH,TI,TO AND CENTRAL:TARGET 9 ((hypertroph* or hyperplasia or obstructive or obstruction) and (tonsil* or adenoid* or adenotonsil*)):AB,EH,KW,KY,MC,MH,TI,TO AND CENTRAL:TARGET 10 ((nasal near obstruct*) or (airway near obstruct*) or (obstruct near symptom*)):AB,EH,KW,KY,MC,MH,TI,TO AND CENTRAL:TARGET 11 (snoring):AB,EH,KW,KY,MC,MH,TI,TO AND CENTRAL:TARGET 12 ((nighttime or sleep* or "night time") and (((breath* or airway*) and (obstruct* or restric*)) or (mouth near/3 breath*))):AB,EH,KW,KY,MC,MH,TI,TO AND CENTRAL:TARGET 13 #1 OR #2 OR #3 OR #4 OR #5 OR #6 OR #7 OR #8 OR #9 OR #10 OR #11 OR #12 14 (tonsillotom* or adenotonsillotom* or tonsilotom* or PITA or Tonsilloplast* or tonsiloplast* or adenotonsilloplast* ):AB,EH,KW,KY,MC,MH,TI,TO AND CENTRAL:TARGET 15 MESH DESCRIPTOR Tonsillectomy EXPLODE ALL AND CENTRAL:TARGET 16 (tonsillectom* or tonsilectom* or adenotonsillectom* or TE ):AB,EH,KW,KY,MC,MH,TI,TO AND CENTRAL:TARGET 17 MESH DESCRIPTOR Palatine Tonsil EXPLODE ALL WITH QUALIFIERS SU AND CENTRAL:TARGET 18 MESH DESCRIPTOR Palatine Tonsil EXPLODE ALL AND CENTRAL:TARGET 19 (tonsil* or adenotonsil* ):AB,EH,KW,KY,MC,MH,TI,TO AND CENTRAL:TARGET 20 #18 OR #19 21 MESH DESCRIPTOR Surgical Procedures, Operative EXPLODE ALL AND CENTRAL:TARGET 22 (surg* or laser* or extract* or resect* or excis* or operat* or dissect* or remov* or coblat* or ablat* or Microdebride* or debride* ):AB,EH,KW,KY,MC,MH,TI,TO AND CENTRAL:TARGET 23 #21 OR #22 24 #23 AND #20 25 #16 OR #15 OR #17 OR #24 26 (intracapsular or partial* or subtotal or "sub total" or sub‐total or TT or TP or subcapsular or "sub capsular" or sub‐capsular or MT or ET ):AB,EH,KW,KY,MC,MH,TI,TO AND CENTRAL:TARGET 27 #25 AND #26 28 #14 OR #27 29 #28 AND #13	1. Sleep Apnea Syndromes/ 2. exp Sleep Apnea, Obstructive/ 3. exp Snoring/ 4. exp Airway Obstruction/ 5. Hypertrophy/ 6. (sleep* adj5 (apnea* or hypopnea* or apneahypopnea* or apnoea* or hypopnoea* or apnoeic)).ab,ti. 7. (sleep* adj3 disorder* adj3 breath*).ab,ti. 8. (OSA or OSAS or OSAHS or SDB or SRBD or OSDB or SAHS).ab,ti. 9. ((hypertroph* or hyperplasia or obstructive or obstruction) and (tonsil* or adenoid* or adenotonsil*)).ab,ti. 10. ((nasal adj6 obstruction) or (airway adj6 obstruct*) or (obstruct adj6 symptom*)).ab,ti. 11. snoring.ab,ti. 12. ((nighttime or sleep* or "night time") and (((breath* or airway*) and (obstruct* or restric*)) or (mouth adj3 breath*))).ab,ti. 13. 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10 or 11 or 12 14. (tonsillotom* or adenotonsillotom* or tonsilotom* or PITA or Tonsilloplast* or tonsiloplast* or adenotonsilloplast*).ab,ti. 15. exp Tonsillectomy/ 16. (tonsillectom* or tonsilectom* or adenotonsillectom* or TE).ab,ti. 17. exp Palatine Tonsil/su [Surgery] 18. exp Palatine Tonsil/ 19. exp Adenoids/ 20. (tonsil* or adenotonsil*).ab,ti. 21. 18 or 19 or 20 22. exp Surgical Procedures, Operative/ 23. (surg* or laser* or extract* or resect* or excis* or operat* or dissect* or remov* or coblat* or ablat*).ab,ti. 24. 22 or 23 25. 21 and 24 26. 15 or 16 or 17 or 25 27. (intracapsular or partial* or subtotal or "sub total" or sub‐total or TT or TP or subcapsular or "sub capsular" or sub‐capsular or MT or ET).ab,ti. 28. 26 and 27 29. 14 or 28 30. 13 and 29	1. Sleep Apnea Syndromes/ 2. exp Sleep Apnea, Obstructive/ 3. hypertrophy/ 4. exp Airway Obstruction/ 5. (sleep* adj3 (apnea* or hypopnea* or apneahypopnea* or apnoea* or hypopnoea* or apnoeic)).ab,ti. 6. (sleep* adj3 disorder* adj3 breath*).ab,ti. 7. (OSA or OSAS or OSAHS or SDB or SRBD or OSDB or SAHS).ab,ti. 8. ((hypertroph* or hyperplasia or obstructive or obstruction) and (tonsil* or adenoid* or adenotonsil*)).ab,ti. 9. ((nasal adj6 obstruction) or (airway adj6 obstruct*) or (obstruct adj6 symptom*)).ab,ti. 10. ((nighttime or sleep* or "night time") adj3 (((breath* or airway*) adj5 (obstruct* or restric*)) or (mouth adj3 breath*))).ab,ti. 11. 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10 12. (tonsillotom* or adenotonsillotom* or tonsilotom* or PITA or Tonsilloplast* or tonsiloplast* or adenotonsilloplast*).tw. 13. (tonsillectom* or tonsilectom* or adenotonsillectom* or TE).tw. 14. exp *tonsillectomy/ 15. exp Palatine Tonsil/su [Surgery] 16. exp Palatine Tonsil/ 17. exp adenoid/ 18. (tonsil* or adenotonsil*).tw. 19. 16 or 17 or 18 20. exp Surgical Procedures, Operative/ 21. (surg* or laser* or extract* or resect* or excis* or operat* or dissect* or remov* or coblat* or ablat*).tw. 22. 20 or 21 23. 19 and 22 24. 13 or 14 or 15 or 23 25. (intracapsular or partial* or subtotal or "sub total" or sub‐total or TT or TP or subcapsular or "sub capsular" or sub‐capsular or MT or ET).tw. 26. 24 and 25 27. 12 or 26 28. 11 and 27
Web of Science (Web of Knowledge)	ICTRP	ClinicalTrials.gov
#1 TOPIC: ((sleep* near/5 (apnea* or hypopnea* or apneahypopnea* or apnoea* or hypopnoea* or apnoeic))) #2 TOPIC: ((sleep* near/3 disorder* near/3 breath*)) #3 TOPIC: ((OSA or OSAS or OSAHS or SDB or SRBD or OSDB or SAHS)) #4 TOPIC: (((hypertroph* or hyperplasia or obstructive or obstruction) and (tonsil* or adenoid* or adenotonsil*))) #5 TOPIC: ((nasal near obstruct*) or (airway near obstruct*) or (obstruct near symptom*)) #6 TOPIC: ((snoring)) #7 TOPIC: ((((nighttime or sleep* or "night time") and (((breath* or airway*) and (obstruct* or restric*)) or (mouth near/3 breath*))))) #8 #7 OR #6 OR #5 OR #4 OR #3 OR #2 OR #1 #9 TOPIC: ((tonsillectom* or tonsilectom* or adenotonsillectom*)) #10 TOPIC: ((((tonsil* or adenotonsil*) near/5 (surg* or laser* or extract* or resect* or excis* or operat* or dissect* or remov* or coblat* or ablat*)))) #11 #10 OR #9 #12 TOPIC: ((intracapsular or partial* or subtotal or "sub total" or sub‐total or TT or TP or subcapsular or "sub capsular" or sub‐capsular or MT or ET)) #13 #12 AND #11 #14 TOPIC: ((tonsillotom* or adenotonsillotom* or tonsilotom* or PITA or Tonsilloplast* or tonsiloplast* or adenotonsilloplast*)) #15 #14 OR #13 #16 #15 AND #8	via www.who.int/ictrp sleep AND disorder* AND breath* AND tonsil* OR sleep AND apnea* AND tonsil* OR sleep AND apnoea* AND tonsil* OR sleep AND hypopnea* AND tonsil* OR sleep AND hypopnoea* AND tonsil* via CRS 1 sleep* and (apnea* or hypopnea* or apneahypopnea* or apnoea* or hypopnoea* or apnoeic) AND CENTRAL:TARGET 2 OSA or OSAS or OSAHS or SDB or SRBD or OSDB or SAHS AND CENTRAL:TARGET 3 sleep* near3 disorder* near3 breath* AND CENTRAL:TARGET 4 (hypertroph* or hyperplasia or obstructive or obstruction) and (tonsil* or adenoid* or adenotonsil*) AND CENTRAL:TARGET 5 (nasal near obstruct*) or (airway near obstruct*) or (obstruct near symptom*) AND CENTRAL:TARGET 6 snoring AND CENTRAL:TARGET 7 (nighttime or sleep* or "night time") and (((breath* or airway*) and (obstruct* or restric*)) or (mouth near3 breath*)) AND CENTRAL:TARGET 8 #1 or #2 or #3 or #4 or #6 or #7 or #5 AND CENTRAL:TARGET 9 tonsillotom* or adenotonsillotom* or tonsilotom* or PITA or Tonsilloplast* or tonsiloplast* or adenotonsilloplast* AND CENTRAL:TARGET 10 tonsillectom* or tonsilectom* or adenotonsillectom* or TE AND CENTRAL:TARGET 11 tonsil* or adenotonsil* AND CENTRAL:TARGET 12 surg* or laser* or extract* or resect* or excis* or operat* or dissect* or remov* or coblat* or ablat* AND CENTRAL:TARGET 13 #12 AND #11 AND CENTRAL:TARGET 14 #10 OR #13 AND CENTRAL:TARGET 15 intracapsular or partial* or subtotal or "sub total" or sub‐total or TT or TP or subcapsular or "sub capsular" or sub‐capsular or MT or ET AND CENTRAL:TARGET 16 #14 AND #15 AND CENTRAL:TARGET 17 #9 OR #16 AND CENTRAL:TARGET 18 #8 AND #17 AND CENTRAL:TARGET 19 http*:SO AND CENTRAL:TARGET 20 #19 AND #18 1 sleep* and (apnea* or hypopnea* or apneahypopnea* or apnoea* or hypopnoea* or apnoeic) AND INSEGMENT 2 OSA or OSAS or OSAHS or SDB or SRBD or OSDB or SAHS AND INSEGMENT 3 sleep* near3 disorder* near3 breath* AND INSEGMENT 4 (hypertroph* or hyperplasia or obstructive or obstruction) and (tonsil* or adenoid* or adenotonsil*) AND INSEGMENT 5 (nasal near obstruct*) or (airway near obstruct*) or (obstruct near symptom*) AND INSEGMENT 6 snoring AND INSEGMENT 7 (nighttime or sleep* or "night time") and (((breath* or airway*) and (obstruct* or restric*)) or (mouth near3 breath*)) AND INSEGMENT 8 #1 or #2 or #3 or #4 or #6 or #7 or #5 AND INSEGMENT 9 tonsillotom* or adenotonsillotom* or tonsilotom* or PITA or Tonsilloplast* or tonsiloplast* or adenotonsilloplast* AND INSEGMENT 10 tonsillectom* or tonsilectom* or adenotonsillectom* or TE AND INSEGMENT 11 tonsil* or adenotonsil* AND INSEGMENT 12 surg* or laser* or extract* or resect* or excis* or operat* or dissect* or remov* or coblat* or ablat* AND INSEGMENT 13 #12 AND #11 AND INSEGMENT 14 #10 OR #13 AND INSEGMENT 15 intracapsular or partial* or subtotal or "sub total" or sub‐total or TT or TP or subcapsular or "sub capsular" or sub‐capsular or MT or ET AND INSEGMENT 16 #14 AND #15 AND INSEGMENT 17 #9 OR #16 AND INSEGMENT 18 #8 AND #17 AND INSEGMENT 19 http*:SO AND INSEGMENT 20 #18 AND #19	via CT.gov (Expert Search) (sleep AND (apnea OR hypopnea OR apneahypopnea OR apnoea OR hypopnoea OR apnoeic OR (disordered AND breathing))) AND (tonsillectomy OR adenotonsillectomy) Via CRS 1 sleep* and (apnea* or hypopnea* or apneahypopnea* or apnoea* or hypopnoea* or apnoeic) AND INSEGMENT 2 OSA or OSAS or OSAHS or SDB or SRBD or OSDB or SAHS AND INSEGMENT 3 sleep* near3 disorder* near3 breath* AND INSEGMENT 4 (hypertroph* or hyperplasia or obstructive or obstruction) and (tonsil* or adenoid* or adenotonsil*) AND INSEGMENT 5 (nasal near obstruct*) or (airway near obstruct*) or (obstruct near symptom*) AND INSEGMENT 6 snoring AND INSEGMENT 7 (nighttime or sleep* or "night time") and (((breath* or airway*) and (obstruct* or restric*)) or (mouth near3 breath*)) AND INSEGMENT 8 #1 or #2 or #3 or #4 or #6 or #7 or #5 AND INSEGMENT 9 tonsillotom* or adenotonsillotom* or tonsilotom* or PITA or Tonsilloplast* or tonsiloplast* or adenotonsilloplast* AND INSEGMENT 10 tonsillectom* or tonsilectom* or adenotonsillectom* or TE AND INSEGMENT 11 tonsil* or adenotonsil* AND INSEGMENT 12 surg* or laser* or extract* or resect* or excis* or operat* or dissect* or remov* or coblat* or ablat* AND INSEGMENT 13 #12 AND #11 AND INSEGMENT 14 #10 OR #13 AND INSEGMENT 15 intracapsular or partial* or subtotal or "sub total" or sub‐total or TT or TP or subcapsular or "sub capsular" or sub‐capsular or MT or ET AND INSEGMENT 16 #14 AND #15 AND INSEGMENT 17 #9 OR #16 AND INSEGMENT 18 #8 AND #17 AND INSEGMENT 19 nct*:AU AND INSEGMENT 20 #19 AND #18 1 sleep* and (apnea* or hypopnea* or apneahypopnea* or apnoea* or hypopnoea* or apnoeic) AND CENTRAL:TARGET 2 OSA or OSAS or OSAHS or SDB or SRBD or OSDB or SAHS AND CENTRAL:TARGET 3 sleep* near3 disorder* near3 breath* AND CENTRAL:TARGET 4 (hypertroph* or hyperplasia or obstructive or obstruction) and (tonsil* or adenoid* or adenotonsil*) AND CENTRAL:TARGET 5 (nasal near obstruct*) or (airway near obstruct*) or (obstruct near symptom*) AND CENTRAL:TARGET 6 snoring AND CENTRAL:TARGET 7 (nighttime or sleep* or "night time") and (((breath* or airway*) and (obstruct* or restric*)) or (mouth near3 breath*)) AND CENTRAL:TARGET 8 #1 or #2 or #3 or #4 or #6 or #7 or #5 AND CENTRAL:TARGET 9 tonsillotom* or adenotonsillotom* or tonsilotom* or PITA or Tonsilloplast* or tonsiloplast* or adenotonsilloplast* AND CENTRAL:TARGET 10 tonsillectom* or tonsilectom* or adenotonsillectom* or TE AND CENTRAL:TARGET 11 tonsil* or adenotonsil* AND CENTRAL:TARGET 12 surg* or laser* or extract* or resect* or excis* or operat* or dissect* or remov* or coblat* or ablat* AND CENTRAL:TARGET 13 #12 AND #11 AND CENTRAL:TARGET 14 #10 OR #13 AND CENTRAL:TARGET 15 intracapsular or partial* or subtotal or "sub total" or sub‐total or TT or TP or subcapsular or "sub capsular" or sub‐capsular or MT or ET AND CENTRAL:TARGET 16 #14 AND #15 AND CENTRAL:TARGET 17 #9 OR #16 AND CENTRAL:TARGET 18 #8 AND #17 AND CENTRAL:TARGET 19 nct*:AU AND CENTRAL:TARGET 20 #19 AND #18