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 ORIGINAL ARTICLE
Year : 2015  |  Volume : 63  |  Issue : 6  |  Page : 895--902

Four-quadrant osteoplastic decompressive craniotomy: A novel technique for refractory intracranial hypertension - A pilot study


1 Department of Neurosurgery, Government  Medical College, Trivandrum, Kerala, India
2 Department of Imageology, Regional Cancer Center, Trivandrum, Kerala, India

Correspondence Address:
Anil Kumar Peethambaran
House No  12, Avittom Road, Medical College  (PO), Trivandrum  -  695  011, Kerala
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0028-3886.170081

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Background: Decompressive craniectomy (DC) with duroplasty is the gold standard for refractory intracranial hypertension despite paucity of randomized controlled trials. There are several morbidities associated with DC of which the persistence of bony defect is of paramount importance. Studies have shown that many of the morbidities associated with DC get reversed following replacement of the bone flap. Aim: To design a novel technique for control of refractory intracranial pressure (ICP), as well as to study its safety and efficacy compared to the conventional DC technique. Material and Methods: We conducted a prospective, comparative, observational pilot study comparing four-quadrant osteoplastic decompressive craniotomy (FoQOsD) with conventional DC. The demographic features, postoperative variables such as operating time, number of days of intensive care unit (ICU) stay and survival, as well as radiographic variables such as change in the midline shift (MLS) and expansion of the compressed brain were analyzed using relevant statistical tests. Results: Twenty patients were selected and grouped into two groups of 10 patients each. The male: female ratio in the two groups were 8:2 and 7:3, respectively, and the mean age at presentation was 42.7 ± 1.45 years in the FoQOsD group and 43.6 ± 1.32 years in the DC group. Both the groups were comparable in relation to the duration of surgery, duration of ICU stay, and survival (P > 0.05). There was significant brain expansion and reversal of MLS (P < 0.001) in the FoQOsD group, factors which were comparable to that in the DC group. Conclusions: FoQOsD may be as effective as conventional DC in managing intracranial hypertension. This procedure mainly avoids a revision cranioplasty. A prospective randomized controlled trial with a large sample size may be initiated for obtaining more accurate data.






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