Postpartum Posterior Reversible Encephalopathy Syndrome (PRES): Three Case Reports and Literature Review

Table 2

Summary of patients’ characteristics, clinical data, and outcome.

Variable	N of patients ()
Mean Maternal Age (years), range	28,66 (19-47)
Comorbidity
(i) Absence	24 (51%)
(ii) Related with development of PRES	21 (45%)
(iii) Not related with development of PRES	2 (4%)
Onset
(i) Early puerperium	13 (28%)
(ii) Late puerperium	34 (72%)
Instrumental Diagnosis
(i) CT	2 (4%)
(ii) MRI	25 (54%)
(iii) CT, MRI	19 (40%)
(iv) CT, MRI, CTA	1 (2%)
Seizures
(i) Absence	8 (17%)
(ii) Presence	39 (83%)
Other symptoms
(i) Absence	2 (4%)
(ii) Isolated headache	7 (15%)
(iii) Other neurological symptoms	29 (62%)
(iv) Association of neurological/not neurological symptoms	4 (9%)
Therapy
(i) Antiepileptic treatment	9 (19%)
(ii) Antihypertensive treatment	4 (9%)
(iii) Antiepileptic + Antihypertensive treatment	23 (49%)
(iv) Multi drug therapy	10 (21%)
(v) Multi drug therapy + Plasma Exchange	1 (2%)
Mechanic Ventilation
(i) Performed	40 (85%)
(ii) Not Performed	7 (15%)
ICU admission
(i) Necessary	19 (40%)
(ii) Unnecessary	28 (60%)
Early onset complications
(i) Absence	38 (81%)
(ii) Nervous Central System	5 (11%)
(iii) Cardio-Pulmonary System	2 (4%)
(iv) Multi-organ complications	2 (4%)
Clinical outcome
(i) Death	1 (2%)
(ii) Full remission	44 (94%)
(iii) Presence of long time complications	2 (4%)
(iv) Mean time to remission (days), range	10,69 (2-45)
Time to instrumental follow up (days)
(i) Mean time, range	38,05 (5-365)

Unless otherwise specified.
CT: computed tomography, MRI: magnetic resonance imaging, and CTA: computed tomographic angiographic.