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Indian J Palliat Care. 2019 Oct-Dec;25(4):501-507. doi: 10.4103/IJPC.IJPC_110_19.

Low-dose Oral Ketamine as a Procedural Analgesia in Pediatric Cancer Patients Undergoing Bone Marrow Aspirations at a Resource-limited Cancer Hospital in India.

Author information

1
Department of Medical Oncology, MNJ Institute of Oncology and Regional Cancer Centre, Hyderabad, Telangana, India.
2
Faculty of Medicine, University of Lund, Lund, Sweden.
3
Department of Pain Relief and Palliative Care Society, MNJ Institute of Oncology and Regional Cancer Centre, Hyderabad, Telangana, India.
4
Department of Palliative Access (PAX) Program, MNJ Institute of Oncology and Regional Cancer Centre, Hyderabad, Telangana, India.
5
Two Worlds Cancer Collaboration-INCTR, Vancouver, British Columbia, Canada.
6
Department of Pain and Palliative Medicine, MNJ Institute of Oncology and Regional Cancer Centre, Hyderabad, Telangana, India.
7
Skane University Hospital, Clinical Studies Sweden-Forum South, Lund, Sweden.
8
Department of Clinical Sciences, Pediatrics, Lund University, Lund, Sweden.
9
Department of Clinical Sciences, Oncology, Faculty of Medicine, Lund University, Lund, Sweden.
10
Department of Radiotherapy and Radiophysics, Skane University Hospital, Lund, Sweden.
11
Department of Clinical Sciences, Oncology and Pathology, Institute for Palliative Care, Faculty of Medicine, Lund University, Region Skane, Lund, Sweden.
12
Palliative Care and Advanced Home Health Care, Primary Health Care Skane, Region Skane, Lund, Sweden.

Abstract

Aim:

Many pediatric cancer patients undergo repeated bone marrow aspirations (BMAs) for diagnostic and treatment evaluation purposes. Full anesthesia is the standard of care during this procedure in high-income countries. At hospitals with low resources in low/middle-income countries many children undergo these painful procedures without sufficient pain relief. This study aimed to evaluate the usefulness of low-dose oral ketamine as a procedural analgesic in a low-resource pediatric cancer care department.

Materials and Methods:

Pediatric patients, 4-15 years of age, who underwent BMAs between September 31 and November 30, 2018, were invited to participate. The study was designed as a placebo-controlled, single-blinded trial with three trial groups. Group K received 1.0 mg/kg of ketamine and Group KM received 1.0 mg/kg ketamine with an addition of 0.2 mg/kg midazolam, mixed in juice 30 min before procedures. Group P received placebo consisting of plain juice. All three groups also received the hospital's current standard treatment for procedural pain in BMAs. Patients and caregivers assessed the procedural pain, as did the performing doctors. For the patients, Faces Pain Scale - Revised was used and the Numeric Rating Scale-11 for caregivers and doctors.

Results:

A total of 87 patients were included in the study distributed with 29 in Group K, 29 in Group KM, and 29 in Group P. Seven patients were excluded, one patient denied participation and the remaining did not meet the inclusion criteria. There was no significant difference between the pain reported by the groups. A total of 69% patients in Group KM and 35% in Group K had somnolence reported as a side effect compared to 14% in Group P.

Conclusion:

We found no significant effects on the procedural pain in any of the treatment groups compared to placebo. There were only mild side effects. The doses of ketamine might be insufficient for this painful and stressful procedure.

KEYWORDS:

Low-dose oral ketamine; pediatric cancer; procedural analgesia

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