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Currently, there are several alternative treatments for patients with chronic rhinitis (CR) who failed medication. Although, most of the researches have been focusing on temperature-controlled RF (TCRF), the cost is a major limitation for applying it worldwide. The investigators objective of this study is to compare the subjective and objective outcomes of Bipolar RF (BRF) with the more popular TCRF for CR treatment. The investigators hypothesized that both have equivalent outcomes but with less operative time and potentially at lower cost.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Temperature-controlled RF (TCRF) | Experimental | The temperature-controlled RF was done under local anesthesia (0.5% xylocaine with adrenaline 1:200,000 injection at both inferior turbinates.) The RF probe will be inserted at inferior turbinate for 5 points both left and right nasal cavity (2 at anterior end, 2 at middle part and 1 at posterior end). We apply energy of 300 J, 85 C, and 15 W each point. After procedures the patients was observed at 1 hour before discharge without any packings. |
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| Bipolar RF (BRF) | Active Comparator | The bipolar RF (BRF) probe will be inserted at the same area with TCRF. We use 2.5 watt and 3 sec for each point but will stop immediately if the burning color or sound are detected. Otherwise was the same with TCRF. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Temperature-controlled RF | Procedure | The temperature-controlled RF was done under local anesthesia (0.5% xylocaine with adrenaline 1:200,000 injection at both inferior turbinates.) The RF probe will be inserted at inferior turbinate for 5 points both left and right nasal cavity (2 at anterior end, 2 at middle part and 1 at posterior end). We apply energy of 300 J, 85 C, and 15 W each point. After procedures the patients was observed at 1 hour before discharge without any packings. For nontemperature-controlled RF, the probe will be inserted at the same area with TCRF. We use 2.5 watt and 3 sec for each point but will stop immediately if the burning color or sound are detected. Otherwise was the same with TCRF. |
| Measure | Description | Time Frame |
|---|---|---|
| Visual Analog scale scores of nasal obstructive symptom. | Up to 1 year follow-up |
| Measure | Description | Time Frame |
|---|---|---|
| VAS scores of nasal discharge, sneezing, hyposmia, postnasal drip | Shor-term at 4th week and long-term at 1 year follow-up | Up to 1 year follow-up |
| Postoperative crust, mucociliary transportation time (MTT), minimal cross sectional area (MCA), total nasal volume (VOL), nasal airway resistance (NAR) at 75 Pa |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Wish Banhiran, MD | Mahidol University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Siriraj Hospital | Bangkok | Bangkok | 10700 | Thailand |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 25432641 | Derived | Banhiran W, Assanasen P, Tantilipikorn P, Nujchanart N, Voraprayoon S, Bunnag C. A randomized study of temperature-controlled versus bipolar radiofrequency for inferior turbinate reduction. Eur Arch Otorhinolaryngol. 2015 Oct;272(10):2877-84. doi: 10.1007/s00405-014-3410-y. Epub 2014 Nov 29. |
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| ID | Term |
|---|---|
| D015508 | Nasal Obstruction |
| ID | Term |
|---|---|
| D009668 | Nose Diseases |
| D012140 | Respiratory Tract Diseases |
| D000402 | Airway Obstruction |
| D012131 | Respiratory Insufficiency |
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| Bipolar RF | Device | The bipolar RF probe will be inserted at the same area with TCRF. The energy used will be 2.5 watt and 3 sec for each point but will stop immediately if the burning color or sound are detected. Otherwise was the same with TCRF. |
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Crusting was assessed at 1st week and 4th week, MTT at 4th week, and MCA, VOL, and NAR were assessed before and after treatment at 4th week and one year follow-up |
| Up to 1 year follow-up |
| D012120 |
| Respiration Disorders |
| D010038 | Otorhinolaryngologic Diseases |