the Effects of Platelet-Rich Plasma on Postoperative Complications After Meningomyelocele

NCT ID: NCT05711355

Last Updated: 2023-02-03

Basic Information

• Recruitment Status: COMPLETED
• Clinical Phase: NA
• Total Enrollment: 40 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2022-01-15
• Study Completion Date: 2022-12-15

Brief Summary

Introduction: Meningomyelocele is a common congenital neural tube defect. To reduce complications, early surgery and a multidisciplinary approach is needed. In this study, the investigators administered platelet-rich plasma (PRP) to newborns with meningomyelocele following corrective surgery to minimize cerebrospinal fluid (CSF) leakage and accelerate the healing of the immature pouch tissue. The investigators compared these with a control group that did not receive PRP.

Patients and Methods: Of the 40 newborns who were operated on with the diagnosis of meningomyelocele, 20 patients received PRP after surgical repair, and 20 were followed up without PRP. In the PRP group, 10 of the 20 patients underwent primary defect repair, the other 10 underwent flap repair. In the group that did not receive PRP, primary closure was performed in 14 patients and flap closure in six.

Detailed Description

Introduction Meningomyelocele (MMC), a form of spina bifida, is the most common congenital anomaly of the central nervous system. It occurs in the first four weeks of pregnancy when the neural tube of the embryo fails to close. Neural tube defects may result in hydrocephalus, hindbrain herniation, and exposure to toxins in the amniotic fluid, with potential morbidity and mortality (1). Both environmental and genetic factors contribute to the etiology of MMC. The risk of MMC is increasing in the events of maternal exposure to valproate, alcohol, carbamazepine, or isotretinoin; high fever; malnutrition, especially folate or B12 deficiency, diabetes mellitus, or obesity during pregnancy (2). About 1,427 babies are born with spina bifida each year in the United States (1 in 2,758 births). Lower socioeconomic status and older maternal age are associated with higher neural tube defect incidence. The recurrence rate in subsequent pregnancies is about 2% to 3% (3). More than 80% of babies born with MMC require a ventriculoperitoneal shunt for hydrocephalus decompression (4). In 39% of the patients, functional motor deficits are at the affected level or higher, and more than half of these have functional motor deficits two levels higher than the affected level (5). The purpose of early closure of MMC defects is to preserve neural tissue function and prevent sepsis.

Platelet-rich plasma (PRP) is an autologous concentration of human platelets obtained from venous blood through proper centrifugation. It contains several growth factors including platelet-derived growth factor (PDGF), vascular endothelial growth factor (VEGF), epidermal growth factor (EGF), platelet-derived factor 4 (PF-4), insulin-like growth factor (IGF-1), and transforming growth factor-beta (TGF-b) (6). There are approximately 150-400 10³/mm³ platelets in the blood and PRP contains between four and seven times this amount (7). When whole blood is collected from a patient for the generation of PRP, an anticoagulant is added. This usually contains citrate and disrupts the coagulation cascade by binding to calcium ions (8). PRP is used in orthopedic indications, wound healing, facial rejuvenation, hair restoration, and other conditions in which tissue renewal is central. The use of PRP for surgical and non-surgical wounds is advantageous, especially in patients with poor wound healing, poor blood supply, and slow cell turnover, and in cases where rapid healing is required.

In this study, we assessed whether the administration of PRP during the MMC pouch repair procedure can improve infant outcomes. This was measured by its ability to reduce CSF leakage, meningitis, local infection, skin necrosis, wound dehiscence, and hydrocephalus, and to accelerate the healing of the underdeveloped pouch tissue. These outcomes were compared with those of an MMC control group who did not receive PRP during surgery.

Materials and Methods This study included 40 infants with a diagnosis of MMC who were operated on at our neurosurgery clinic between February 2020 and May 2021. PRP was administered to 20 of the patients and 20 were followed up without PRP. All babies were born at term and fed with breast milk. All infants in the study were followed up in the neonatal intensive care unit. The mean birth weight was 2990 grams. In the PRP group, 10 of the 20 patients underwent primary defect repair and 10 underwent flap repair. In the non-PRP group, 14 patients underwent primary closure and six underwent flap closure. All operations were performed under general anesthesia. Blood was taken from each patient and the platelets were separated by centrifugation at 3200 rpm for five min in a 2 cc whole blood centrifuge device. The plasma was separated with the buffy coat layer. During MMC sac repair, a neural plate was formed and the dura was then made using opposing flaps from the fascia. After hemostasis was achieved, the defect was repaired and PRP was applied from the wound edge. The prepared PRP was applied to the dura and pouch repair and under the skin flap wound line.

Descriptive statistics were expressed as means, standard deviations, medians, ranges, frequencies, and ratios. The distribution of variables was measured with the Kolmogorov-Smirnov test. Independent sample t-tests and Mann-Whitney U tests were used for the analysis of quantitative independent data. Chi-square tests were used in the analysis of qualitative independent data, and the Fischer test was used when the chi-square test conditions were not met. Analyses were performed using SPSS 27.0 software.

Conditions

Meningomyelocele/Spina Bifida

Study Design

• Allocation Method: RANDOMIZED
• Intervention Model: PARALLEL
• Primary Study Purpose: TREATMENT
• Blinding Strategy: NONE

Study Groups

Use of Platelet-Rich Plasma after meningomyelocele sac repair

Paitents treated with platelet-rich plasma injection and treated with according to guidelines

Group Type: ACTIVE_COMPARATOR

Use of Platelet-Rich Plasma after meningomyelocele sac repair

Intervention Type: PROCEDURE

Wound healing with the use of Platelet-Rich Plasma after surgical meningomyelocele pouch repair

meningomyelocele sac repair

Intervention Type: PROCEDURE

meningomyelocele sac repair without Platelet-Rich Plasma

Control group of meningomyelocele sac repair

Paitents treated according to guidelines

Group Type: ACTIVE_COMPARATOR

meningomyelocele sac repair

Intervention Type: PROCEDURE

meningomyelocele sac repair without Platelet-Rich Plasma

Interventions

Use of Platelet-Rich Plasma after meningomyelocele sac repair

Wound healing with the use of Platelet-Rich Plasma after surgical meningomyelocele pouch repair

Intervention Type: PROCEDURE

meningomyelocele sac repair

meningomyelocele sac repair without Platelet-Rich Plasma

Intervention Type: PROCEDURE

Eligibility Criteria

Inclusion Criteria

• Newborn babies born with a meningomyelocele sac

Exclusion Criteria

• Newborn babies without a meningomyelocele sac

• Minimum Eligible Age: 1 Day
• Maximum Eligible Age: 1 Month
• Eligible Sex: ALL
• Accepts Healthy Volunteers: Yes

Sponsors

Yuzuncu Yıl University

OTHER

Sponsor Role: lead

Responsible Party

Özkan Arabaci

assosiation professor

Responsibility Role: PRINCIPAL_INVESTIGATOR

Principal Investigators

Mehmet Edip Akyol, Ass. Prof

Role: STUDY_DIRECTOR

Van Yuzuncu Yıl Unıversty

Locations

Van Yuzuncu Yıl Unıversty

Van, , Turkey (Türkiye)

Countries

Turkey (Türkiye)

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Other Identifiers

YuzuncuYıl1

Identifier Type: -

Identifier Source: org_study_id