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Published on: November 6, 2019
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Molecular resonance tonsillectomy in children: comparative study over standard techniques in an 11-year study
1Division of Pediatric Otolaryngology, Department of Otorhinolaryngology, Head and Neck Surgery, Vicenza Civil Hospital, Vicenza, Italy riccardo.deredita@ulssvicenza.it riccardo.deredita@hotmail.com.
Summary
Molecular resonance (MR) tonsillectomy offers reduced thermal injury and pain compared to cold-knife (CK) and monopolar cautery (MPC) methods. This pediatric tonsillectomy technique shows promise for lowering postoperative morbidity.
Area of Science:
- Otolaryngology
- Pediatric Surgery
- Surgical Technology
Background:
- Tonsillectomy is a common pediatric surgical procedure.
- Traditional methods like cold-knife (CK) and monopolar cautery (MPC) tonsillectomy can lead to significant postoperative morbidity.
- Minimizing thermal injury and pain is crucial for improving patient outcomes.
Purpose of the Study:
- To evaluate the efficacy and safety of molecular resonance (MR) technology for pediatric tonsillectomy.
- To compare MR with standard CK and MPC techniques regarding surgical outcomes and histopathologic findings.
- To assess the potential of MR to reduce postoperative morbidity in pediatric patients.
Main Methods:
- An 11-year prospective, randomized, 3-group trial involving 873 children undergoing adenotonsillectomy.
- Patients were randomly assigned to three techniques: MR (n=283), CK (n=279), or MPC (n=279).
- Outcome measures included operative time, blood loss, pain scores, weight loss, and histopathologic analysis of excised tonsils.
Main Results:
- Molecular resonance (MR) tonsillectomy demonstrated significantly reduced thermal injury (43 µm vs. 186 µm for MPC, P < .001) and associated tissue damage compared to CK and MPC.
- MR technique resulted in minimal blood loss and significantly lower postoperative pain scores (P < .002).
- Delayed bleeding occurred in 2 MR patients, compared to 15 CK and 12 MPC patients.
Conclusions:
- Molecular resonance (MR) technology is a viable alternative for pediatric tonsillectomy, offering reduced histopathologic thermal injury.
- MR tonsillectomy is associated with lower postoperative pain and overall morbidity compared to cold-knife (CK) and monopolar cautery (MPC) techniques.
- The findings support MR as a promising advancement in pediatric tonsillectomy procedures.

