Table 1: Study characteristics and results.
Author (Year) |
Study Type |
Location |
Sample size/ Mean age, years |
Surgical Procedure |
Intraoperative Analgesia |
Postoperative Analgesia |
Pain Assessment |
Follow-Up |
Primary Outcome |
Secondary outcomes |
Risk of Bias |
Xing, et al. [4] |
RCT |
China |
160/NS |
Open craniotomy |
Sufentanyl/ fentanyl IV Reminfentanil TCI Ropivacaine local infiltration |
Fentanyl PCIA/NCIA Morphine PCIA/NCIA Tramadol PCIA/NCIA Ibuprofen PO |
1, 2, 4, 16, 24, 36, 48 hours post-op |
48 hours post-op |
FLACC, WBFS, NRS |
Change in consciousness, nausea, vomiting, pruritus, respiratory depression, additional acetaminophen |
Low |
Maxwell, et al. [21] |
Prospective cohort |
USA |
200/7.8 ± 5.8 |
Craniotomy, craniectomy, craniofacial surgery |
Not specified |
Morphine/ Fentanyl/ Hydromorphone PCA, Morphine/ Fentanyl/ Hydromorphone as needed IV |
Not standardized |
5 days post- op |
FLACC/ WBFS/ FPS-r |
Sedation, vomiting, pruritus, nausea, respiratory depression |
Good |
Bronco, et al. [25] |
Prospective cohort |
Italy |
212/3.1 |
Supratentorial or infratentorial craniotomy, cranioplastic surgery |
Remifentanil TCI Scalp block |
Paracetamol IV Paracetamol per rectum Rectal codeine Tramadol IV |
Between 4-6 hrs post- op then every 8 hrs for 48 hours |
48 hours post-op |
VAS |
Emergence delirium, Sedation, Respiratory depression, Nausea/vomiting |
Good |
Teo, et al. [26] |
Prospective cohort |
Australia |
52/7.2 |
Emergency or elective craniotomy |
Remifentanil TCI Morphine IV Scalp block |
Paracetamol IV Codeine IV Morphine PCA/IV |
Twice daily |
72 hours post-op |
FLACC, WBFS, NRS |
Not measured |
Good |
Lim, et al. [27] |
Retrospective cohort |
Korea |
97/8.5 ± 3.4 |
Encephaloduroa rteriosynangiosis (Moyamoya surgery) |
Propofol TCI Remifentanil/ Sufentanil TCI Scalp block |
Fentanyl PCA, Sufentanil PCA |
0.5, 1, 2, 4, 12, 24, 48 hours post-op |
48 hours post-op |
NRS, FPS-r, additional analgesic administration |
Nausea/vomiting, headache, pruritus, drowsiness |
Good |
Warre, et al. [28] |
Retrospective cohort |
Canada |
71/4.8 |
Cranial reconstruction, craniotomy |
Not specified |
Morphine IV Acetaminophen or codeine as needed |
Every 4 hours |
72 hours post-op |
FLACC, WBFS, VAS |
Nausea/vomiting, respiratory depression, excess sedation |
Good |
Gohari, et al. [29] |
RCT |
Egypt |
30/8.9 ± 2.1 |
Craniotomy for supratentorial excision of tumor |
Fentanyl IV, Sevoflurane, Scalp block |
Paracetamol per rectum |
1, 2, 4, 8, 12 hours post-op |
24 hours post-op |
VAS |
Local anesthetic side effects |
Low |
Chiaretti, et al. [30] |
RCT |
Italy |
42/5.6 ± 4.5 |
Neurosurgery for tumor, decompression, and Chiari malformation |
Tramadol, Fentanyl, Halothane |
None |
Every 4 hours |
36 hours post-op |
AFS, CHEOPS |
Nausea, vomiting, apnea, bradycardia |
Unclear |
Smyth, et al. [31] |
Prospective cohort |
USA |
50/11.4 |
Suboccipital intracranial decompression |
Not specified |
Acetaminophen PO, ibuprofen PO |
Every 8 hours |
Notstandardized |
WBFS, additional narcotics required |
Nausea, pruritus, urinary retention |
Good |
RCT: Randomized control trial; IV: Intravenous; TCI: Target-controlled infusion; PCIA: Patient-controlled intermittent analgesia; NCIA: Nurse-controlled intermittent analgesia; PO: Per orem; PCA: Patient-controlled analgesia; FLACC: Face, legs, activity, cry, consolability Scale; WBFS: Wong-Baker Faces Scale; NRS: Numerical rating scale; FPS-r: Faces Pain Scale-Revised; VAS: Visual Analog Scale; AFS: Affective Facial Scale; CHEOPS: Children’s Hospital of Eastern Ontario Pain Scale.