الفهرس 
Anatomy of Dura Matter and Physiology of CSFOnly 14 pages are availabe for public view
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Abstract
P
DPH can affect patients’ functional recovery and comfort, both are critical factors for patients who expect to resume their daily activities as soon as possible. Especially obstetric patients who will be responsible for a new child. As its known that spinal anesthesia is recommended for C/S as it is more safe, also giving the patient enough pain relief post operatively for at least 4-6 hours without the need of opiod analgesics which will help the mother to lactate her baby safely without the risk of suspected side effects of opoids
So that its important to decrease the incidence of the most serious complication of spinal anesthesia PDPH which will help obstetric patients to recover as early as possible making them able to take care of their children, also decreasing the period of hospital stay post operatively.
Accordingly we found that the use of non beveled spinal needle is better to decrease the incidence of PDPH. Despite advances in surgical and anesthetic techniques, many patients still suffer from PDPH in the postoperative period. Many anesthesia modalities and medications have been used in various combinations to reduce the amount of PDPH experienced by patients postoperatively.
Pencil point spinal needle had less incidence of PDPH than quincke spinal needle
The aim of this study is to assess the incidence of PDPH by using the same 25gauge spinal needle but with two different shapes pencil point versus quincke.
The study was conducted on 60 randomly chosen patients full filling inclusion criteria in Matarya teaching hospital after approval of the medical ethical committee. They were allocated in two groups of 30 patients each:
Group(A) 25 gauge spinal needle (quincke) is used
group (B) 25 gauge spinal needle (pencil point)is used
The two groups were adequately monitored and assessed intra- and post-operatively and they were compared in vital data as regarding HR, SBP,DBP and the development of PDPH, if developed classified into mild ,moderate and severe and assessment of backache.
The results of this study revealed that patients in the study group(A) had more incidence of PDPH 10% compared to 0% in group (B) although still no significant statistical deference but still non beveled spinal needle have lower rates of incidence than quincke (beveled ) spinal needles.
Also we found 5 patients out of 30 (16.7%) suffered from backache in group A and one patient (3.3%) suffered from mild backache in group B.