1. Silva M, Halpern SH. Epidural analgesia for labor: current techniques. Local Reg Anesth 2010; 3: 143-53. doi: 10.2147/lra.s10237.
2. Pan PH, Bogard TD, Owen MD. Incidence and characteristics of failures in obstetric neuraxial analgesia
and anesthesia: a retrospective analysis of 19,259 deliveries. Int J Obstet Anesth 2004; 13(4): 227-33. doi: 10.1016/j.ijoa.2004.04.008.
3. Ahmed SV, Jayawarna C, Jude E. Post lumbar puncture headache: diagnosis and management. Postgrad Med J 2006; 82(973): 713-6. doi: 10.1136/pgmj.2006.044792.
4. Goldszmidt E, Kern R, Chaput A, Macarthur A. The incidence and etiology of postpartum headaches: a
prospective cohort study. Can J Anaesth 2005; 52(9): 971-7. doi: 10.1007/bf03022061.
5. Álvarez-Holzapfel MJ, Aibar Durán J, Brió Sanagustin S, de Quintana-Schmidt C. (Diffuse pneumocephalus after lumbar stab wound). An Pediatr (Barc) 2019; 90(1): 63-4.doi: 10.1016/j.anpedi.2018.04.012.
6. Pillai P, Sharma R, MacKenzie L, Reilly EF, Beery PR 2nd,Papadimos TJ, et al. Traumatic tension pneumocephalus -Two cases and comprehensive review of literature. Int J Crit Illn Inj Sci 2017; 7(1): 58-64. doi: 10.4103/ijciis.ijciis_8_17.
7. Zasler ND, Katz DI, Zafonte RD. Brain Injury Medicine: Principles and Practice. Demos Medical Publishing; 2007.
8. Karavelioglu E, Eser O, Haktanir A. Pneumocephalus and pneumorrhachis after spinal surgery: case report and review of the literature. Neurol Med Chir (Tokyo) 2014; 54(5): 405-7. doi: 10.2176/nmc.cr2013-0118.
9. Kaye AH. Head injuries. In: Essential Neurosurgery, vol 4. 3rd ed. Hoboken: Blackwell Publishing; 2005. p. 40-55.
10. Choi PT, Galinski SE, Takeuchi L, Lucas S, Tamayo C, Jadad AR. PDPH is a common complication of neuraxial blockade in parturients: a meta-analysis of obstetrical studies. Can J Anaesth 2003; 50(5): 460-9. doi: 10.1007/bf03021057.
11. Van de Velde M, Schepers R, Berends N, Vandermeersch E, De Buck F. Ten years of experience with accidental dural puncture and post-dural puncture headache in a tertiary obstetric anaesthesia department. Int J Obstet Anesth 2008; 17(4): 329-35. doi: 10.1016/j.ijoa.2007.04.009.
12. Lee KS, Bae WK, Park YT, Yun IG. The pathogenesis and fate of traumatic subdural hygroma. Br J Neurosurg 1994; 8(5): 551-8. doi: 10.3109/02688699409002947.
13. Heegaard WG, Biros MH. Head injury. In: Marx JA, Hockberger RS, Walls RM, eds. Rosen’s Emergency
Medicine: Concepts and Clinical Practice. 8th ed. Philadelphia, PA: Elsevier Saunders; 2014.
14. Pannullo SC, Reich JB, Krol G, Deck MD, Posner JB. MRI changes in intracranial hypotension. Neurology 1993;43(5): 919-26. doi: 10.1212/wnl.43.5.919.