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Two-dimensional radiographs and CBCT assessment of concentrated growth factor and platelet-rich fibrin scaffolds in regenerative endodontic treatment of immature incisors with periapical radiolucency: a randomized clinical trial
Elheeny, A. A. H., Tony, G. E.
Journal of endodontics. 2024
Abstract
INTRODUCTION The primary aim of this study was to compare the radiographic changes of immature incisors with periapical radiolucency after treatment with platelet-rich fibrin (PRF) and concentrated growth factor (CGF) platelet concentrate scaffolds as well as assessment of the clinical success rate over 12 months. The secondary aim was to monitor the radiographic changes in terms of reduction of periapical lesion diameter (PALD), root dentine thickness (RDT), root length (RL), and apical foramen width (AFW). The tertiary aim was to assess and pulp responses, after 12 months METHODS Fifty six children withseventy necrotic, single-rooted maxillary incisors with periapical radiolucency were treated with either CGF or PRF scaffolds (35 teeth per group). Two patients with four teeth (two teeth in each group) failed to attain the follow-up recalls. Radiographic changes in terms of reduction of periapical lesion diameter (PALD), root dentine thickness (RDT), root length (RL), and apical foramen width (AFW) were monitored using a two-dimensional radiograph and CBCT scan. The clinical performance of teeth receiving both scaffolds was assessed after 6 and 12 months. Categorical and continuous data were analyzed using the chi-square test and the t-test, respectively. The time and group effects on the means of different radiographic dimensions were tested using the general linear model (GLM). Bland-Altman plots were used to assess the level of agreement between the 2D radiographs and CBCT. The level of significance was defined at 0.05 and a 95% CI. RESULTS The means of PALD and RL showed significant enhancement in the CGF group compared to the PRF group (p< 0.05). While the difference between the two scaffolds in terms of RDT and AFW was not significant (p> .05). The findings of the 2D radiograph and CBCT were consistent. Clinically, both scaffold success rates were similar (93.9%) over the follow-up intervals. The influence of study independent variables had no significant effect on the success of the REPs outcome (p> 0.05). There was no significant difference in the positive pulp responses to the thermal and electric pulp tests after one year of treatment (p> 0.05). CONCLUSIONS According to the short-term follow-up, PRF and CGF were successful in treating immature teeth with periapical radiolucency by regenerative endodontics. Both scaffold systems induced periapical healing and root lengthening with significant superiority of CGF.
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The Effect of Tranexamic Acid and Controlled Hypotension on Perioperative Blood Loss in Craniosynostosis Surgery
Moradi Farsani, D., Mazaheri, Z., Shafa, A.
Anesthesiology and pain medicine. 2023;13(1):e130462
Abstract
BACKGROUND Open cranial vault reconstruction is the standard technique of craniosynostosis correction that may cause significant blood loss. OBJECTIVES The current study aimed at comparing the effect of tranexamic acid (TXA), controlled hypotension, and their combination on perioperative blood loss and transfusion requirement in craniosynostosis surgery. METHODS The present randomized, double-blind clinical trial was conducted on 75 infants referred for craniosynostosis surgery during 2017 - 2018. Ten minutes before the start of surgery, 10 mg/kg of TXA was administered intravenously to patients in the first group (TXA group). In the second group, patients were subjected to the controlled hypotension anesthesia (CHA) using intravenous remifentanil 0.1 μ/kg (CHA group). In the third group, the patients underwent CHA similar to that of the second group, along with intravenous injection of 10 mg/kg of TXA (CHA-TXA group). Then, patients' mean arterial pressure (MAP), heart rate (HR), total blood loss, and transfusion volume were evaluated and recorded. RESULTS The results of the present study revealed that although the changes in MAP and HR parameters over time (three hours after surgery) were significant in all three groups, the lowest decrease was observed in the CHA-TXA group (P-value < 0.05). In addition, the total perioperative blood loss in the CHA-TXA group with the mean of 181.20 ± 82.71 cc was significantly less than the total perioperative blood loss in the CHA and TXA groups with the means of 262.00 ± 104.04 cc and 212.80 ± 80.75 cc, respectively (P-value < 0.05). Moreover, the transfusion volume in the CHA-TXA group with the mean of 112.40 ± 53.50 cc was significantly lower than the transfusion volume in the CHA and TXA groups with the means of 174.00 ± 73.93 cc and 160.63 ± 59.35 cc, respectively (P-value < 0.05). In contrast, the total blood loss and transfusion volume were not significantly different between the CHA and TXA groups (P-value > 0.05). CONCLUSIONS According to the results of the present study, although the administration of TXA alone could effectively prevent blood loss and was associated with fewer transfusion requirements, the combination of this approach with hypotensive anesthesia resulted in more reduction in perioperative blood loss and transfusion volume as well as better hemodynamic stability.
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Effect of red blood cell storage time in pediatric cardiac surgery patients: A subgroup analysis of a randomized controlled trial
Martin, S. M., Tucci, M., Spinella, P. C., Ducruet, T., Fergusson, D. A., Freed, D. H., Lacroix, J., Poirier, N., Sivarajan, V. B., Steiner, M. E., et al
JTCVS open. 2023;15:454-467
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Editor's Choice
Abstract
OBJECTIVE This study aimed to determine whether or not transfusion of fresh red blood cells (RBCs) reduced the incidence of new or progressive multiple organ dysfunction syndrome compared with standard-issue RBCs in pediatric patients undergoing cardiac surgery. METHODS Preplanned secondary analysis of the Age of Blood in Children in Pediatric Intensive Care Unit study, an international randomized controlled trial. This study included children enrolled in the Age of Blood in Children in Pediatric Intensive Care Unit trial and admitted to a pediatric intensive care unit after cardiac surgery with cardiopulmonary bypass. Patients were randomized to receive either fresh (stored ≤7 days) or standard-issue RBCs. The primary outcome measure was new or progressive multiple organ dysfunction syndrome, measured up to 28 days postrandomization or at pediatric intensive care unit discharge, or death. RESULTS One hundred seventy-eight patients (median age, 0.6 years; interquartile range, 0.3-2.6 years) were included with 89 patients randomized to the fresh RBCs group (median length of storage, 5 days; interquartile range, 4-6 days) and 89 to the standard-issue RBCs group (median length of storage, 18 days; interquartile range, 13-22 days). There were no statistically significant differences in new or progressive multiple organ dysfunction syndrome between fresh (43 out of 89 [48.3%]) and standard-issue RBCs groups (38 out of 88 [43.2%]), with a relative risk of 1.12 (95% CI, 0.81 to 1.54; P = .49) and an unadjusted absolute risk difference of 5.1% (95% CI, -9.5% to 19.8%; P = .49). CONCLUSIONS In neonates and children undergoing cardiac surgery with cardiopulmonary bypass, the use of fresh RBCs did not reduce the incidence of new or progressive multiple organ dysfunction syndrome compared with the standard-issue RBCs. A larger trial is needed to confirm these results.
PICO Summary
Population
Children admitted to a paediatric intensive care unit after cardiac surgery with cardiopulmonary bypass, enrolled in the Age of Blood in Children in Pediatric Intensive Care Unit trial (ABC-PICU), (n= 178).
Intervention
Fresh (stored ≤7 days) red blood cells (RBCs), (n= 89).
Comparison
Standard-issue RBCs (n= 89).
Outcome
The authors performed a preplanned subgroup analysis of the ABC-PICU trial. The primary outcome measure was new or progressive multiple organ dysfunction syndrome, measured up to 28 days post-randomization or at paediatric intensive care unit discharge, or death. There were no statistically significant differences in new or progressive multiple organ dysfunction syndrome between fresh (43 out of 89 [48.3%]) and standard-issue RBCs groups (38 out of 88 [43.2%]), with a relative risk of 1.12; 95% CI [0.81, 1.54] and an unadjusted absolute risk difference of 5.1%; 95% CI [-9.5%, 19.8%].
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Low-Dose vasopressin and renal perfusion in pediatric cardiac surgery
Kumar, A., Ghotra, G. S., Raj, S., Tiwari, N., Ramamurthy, H. R.
Annals of cardiac anaesthesia. 2023;26(3):309-317
Abstract
BACKGROUND Congenital heart surgeries are associated with post-bypass renal and cardiac dysfunctions. The use of low-dose vasopressin has been found to be beneficial in adult cardiac surgeries. OBJECTIVE To assess the hemodynamic and renal effects of patients undergoing on-pump pediatric cardiac surgery under general anesthesia (GA) with low-dose vasopressin infusion. DESIGN Prospective randomized controlled study. SETTING Operation room and ICU, tertiary care teaching hospital. PATIENTS Fifty-five pediatric cardiac patients undergoing repair for congenital heart diseases (CHD). INTERVENTIONS Low-dose vasopressin infusion in the study group and placebo in the control group. MEASUREMENTS AND MAIN RESULTS Renal near-infrared spectroscopy (NIRS), serum NGAL, and inflammatory mediators-IL6 and IL8 along with other renal and hemodynamic parameters in the perioperative period were recorded. Diastolic blood pressure (DBP) and cardiac index were significantly higher in the vasopressin group. Inflammatory markers were significantly high in the immediate postoperative period in all patients which later stabilized in the next 48 h but showed similar trends in both groups. Low-dose vasopressin infusion did not improve either renal perfusion or function. The duration of mechanical ventilation and length of hospital stay, the incidence of AKI development, and transfusion requirements were marginally lower in the vasopressin group, although not significant. CONCLUSION Low-dose vasopressin infusion improved hemodynamics and showed a decreased incidence of complications. However, it failed to show any benefit of renal function and overall outcome in pediatric cardiac surgery.
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Tranexamic Acid in Hip Reconstructions in Children with Cerebral Palsy: A Double-Blind Randomized Controlled Clinical Trial
Zuccon, A., Rogério Cardozo Kanaji, P., Serafini Barcellos, D., Zabulon, S., de Oliveira Saraiva, A., Yoshi de Freitas, T. A.
Children (Basel, Switzerland). 2023;10(12)
Abstract
Surgical treatment is indicated for hip dislocation in patients with cerebral palsy (CP), but it requires care due to the state of nutrition and associated clinical comorbidities. The use of resources that minimize blood loss and the need for blood transfusions are essential to avoid complications. Tranexamic acid (TXA) has been highlighted for orthopedic surgeries to control intraoperative bleeding; however, there is a lack of large studies for its use in hip surgeries in patients with CP. This study aims to evaluate the efficacy and safety of tranexamic acid to reduce bleeding in pediatric patients with cerebral palsy undergoing surgical treatment for hip instability. A sample of 31 patients with CP who underwent surgical treatment for hip dislocation (hip adductor stretching, varization osteotomy of the proximal femur and acetabuloplasty using the Dega technique) was randomly divided into groups: control (n = 10) and TXA (n = 21). Preoperative and 24 h hemoglobin concentrations, the length of hospital stay (LHS), and intraoperative bleeding (IB) were analyzed. TXA significantly reduced the IB (p = 0.02). The variance in hemoglobin concentration was lower for the TXA group, but without statistical significance (p = 0.06). There was no difference in LHS. Also, no statistical difference was observed for the number of transfusions (p = 0.08). The findings provide evidence of the effectiveness of TXA in decreasing intraoperative bleeding and its safety for use in pediatric patients with cerebral palsy.
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Does the application of autologous injectable Platelet-Rich Fibrin (i-PRF) affect the patient's daily performance during the retraction of upper canines? A single-centre randomized split-mouth controlled trial
Zeitounlouian, T., Haddad, R., Brad, B., Ballouk, M. A., Fudalej, P.
BMC oral health. 2023;23(1):872
Abstract
BACKGROUND Previous studies have assessed different aspects concerning the applications of i-PRF in the oral cavity. However, nothing is known regarding patients' perceptions of the injection of autologous platelet-rich fibrin (i-PRF). OBJECTIVES To investigate patients' perceptions after injecting platelet-rich fibrin (i-PRF) in the course of retracting upper canines. METHODS Twenty-one patients, whose treatments required extractions of both upper first premolars, were recruited. Extraction side was randomly allocated to the intervention or control sides. After the alignment phase, i-PRF was injected twice with a one-month interval on the buccal and palatal aspects of the extraction sites (intervention side). Patients' perceptions were evaluated with two questionnaires: the first was used to assess the level of pain, discomfort, swelling, eating and swallowing difficulties as well as jaw movement restriction after 1 h (T1), 2 h (T2), 6 h (T3), 24 h (T4) and 48 h (T5) of the second injection; the second questionnaire was used to assess the acceptance of the i-PRF injection and overall satisfaction with this technique at the end of canine retraction phase. Visual Analogue Scale (VAS) was adopted for this purpose. Wilcoxon Signed Rank Test was used to compare between both sides at all time points while Friedman's Test was the selected test for detecting variables' changes over time. Post-hoc Wilcoxon Matched-Pairs Signed-Rank Tests were applied when any of the results were significant. As to the multiplicity of tests, Bonferroni Correction was implemented. RESULTS Pain and swelling levels were significantly higher on the experimental compared to the control sides at T1, T2, and T3 (P < 0.05), whereas they declined sharply and went back to almost normal values at T4 (after 24 h). At T5 they were 0. Discomfort and difficulty in mastication on intervention sides were significant only at T1 and T2. Pain, swelling, and chewing difficulties were significant (P < 0.001) during the 4 assessed time points. The increase was insignificant regarding swallowing difficulties and jaw movement limitations at all time intervals. CONCLUSIONS Injecting autologous (i-PRF) during orthodontic canine retraction is a well-perceived and well-tolerated method due to the limited discomfort which significantly diminishes 24 h afterwards. TRIAL'S REGISTRATION ClinicalTrials.gov (Identifier Number: NCT03399422. 16/01/2018).
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An Individualized Red Blood Cell Transfusion Strategy Using Pediatric Perioperative-Transfusion-Trigger Score Reduced Perioperative Blood Exposure for Children: A Randomized Controlled Clinical Trial
Luo Z, Li Y, Li X, Liao R
Therapeutics and clinical risk management. 2023;19:229-237
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Editor's Choice
Abstract
OBJECTIVE The optimal red blood cell transfusion strategy for children remains unclear. We developed an individualized red blood cell transfusion strategy for children and tested the hypothesis that transfusion guided by this strategy could reduce blood exposure, without increasing perioperative complications in children. METHODS In this randomized controlled clinical trial, 99 children undergoing noncardiac surgeries who had blood loss of more than 20% total blood volume were randomly assigned to an individualized-strategy group using Pediatric Perioperative-Transfusion-Trigger Score or a control group. The amount of transfused red blood cell was counted, and patients were followed up for postoperative complications within 30 days. RESULTS Twenty-six children (53.1%) in the individualized-strategy group received transfusion perioperatively, as compared with 37 children (74%) in the control group (p < 0.05). During surgery, children in the individualized-strategy group were exposed to fewer transfusions than in the control group (0.87±1.03 vs 1.33±1.20 Red-Blood-Cell units per patient, p = 0.02). The incidence of severe complications in the individualized-strategy group had a lower trend compared to the control group (8.2% vs 18%, p = 0.160). No significant difference was found in the other outcomes. CONCLUSION This trial proved that red blood cell transfusion guided by the individualized strategy reduced perioperative blood exposure in children, without increasing the incidence of severe complications. This conclusion needs to be reaffirmed by larger-scale, multicenter clinical trials.
PICO Summary
Population
Children undergoing non-cardiac surgery who had blood loss of more than 20% total blood volume (n= 99).
Intervention
Individualized red blood cell (RBC) transfusion strategy using Pediatric Perioperative-Transfusion-Trigger Score (individualized-strategy group, n= 49).
Comparison
RBC transfusion initiated when the patient’s haemoglobin concentration was lower than 8g per deciliter, or lower than 10g per deciliter for newborns (control group, n= 50).
Outcome
Twenty-six children (53.1%) in the individualized-strategy group received transfusion perioperatively, as compared with 37 children (74%) in the control group. During surgery, children in the individualized-strategy group were exposed to fewer transfusions than in the control group (0.87±1.03 vs. 1.33±1.20 red blood cell units per patient). The incidence of severe complications in the individualized-strategy group had a lower trend compared to the control group (8.2% vs. 18%). No significant difference was found in the other outcomes.
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Comparative Evaluation of the Regenerative Potential of Blood Clot and Platelet-rich Fibrin in Young Permanent Teeth Based on the Revised American Academy of Endodontics Clinical Considerations for Regenerative Procedure: 2016
Prakash, A. J., Naik, S. V., Attiguppe, P.
International journal of clinical pediatric dentistry. 2023;16(Suppl 2):149-154
Abstract
AIM: To compare and evaluate the regenerative potential of blood clots and platelet-rich fibrin (PRF) in IYNPT based on the revised American Academy of Endodontics (AAE) clinical considerations for regenerative endodontics 2016. MATERIALS AND METHODS A total of 20 patients (7-12 years) with immature young necrotic permanent teeth were included and irrigation and disinfection were done using the revised AAE protocol. Teeth were randomly categorized into PRF scaffolding and conventional bleeding technique. The cases were followed up for 1, 3, and 6 months for clinical and radiographic evaluation. RESULT At 6 months there was no significant difference between the groups in terms of clinical healing and periapical healing. A significant statistical difference was noted at the end of 6 months with respect to apical closure within the PRF group. A significant difference was seen in the increase in dentin thickness between groups with PRF showing more increase. CONCLUSION The PRF scaffold can be used as it induces the regenerative potential of stem cells at the apex. HOW TO CITE THIS ARTICLE Prakash AJ, Naik SV, Attiguppe P. Comparative Evaluation of the Regenerative Potential of Blood Clot and Platelet-rich Fibrin in Young Permanent Teeth Based on the Revised American Academy of Endodontics Clinical Considerations for Regenerative Procedure: 2016. Int J Clin Pediatr Dent 2023;16(S-2):S149-S154.
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The Effect of Chitohem Bleeding Inhibitor Powder on Pain and Bleeding After Tonsillectomy by Suturing Method
Seied-Mohammad Doulabi, S. R., Moradi, A., Roozbahany, N. A., Rezaei, S., Khoshfetrat, N., Shamsian, F., Baghi, M.
Craniomaxillofacial trauma & reconstruction. 2023;16(3):205-210
Abstract
Study Design and Objectives: This study aimed to investigate Triamcinolone ointment's effect on pain and bleeding after tonsillectomy by suturing method. Methods: The present study was performed as a single-blind clinical trial on 200 patients who underwent a total tonsillectomy in the ENT department of Loghman Hakim Hospital in Tehran during 2016. Candidates for total tonsillectomy were randomized into 2 groups one by one. Participants were randomly divided into 2 groups. Both groups matched homologically. Patients in both groups (intervention and control) underwent cold dissection total tonsillectomy. In addition to suturing, in the intervention group, Triamcinolone ointment was used to control the local bleeding at the surgical site. In the control group, only sutures were used to control bleeding. The studied variables included: bleeding and pain 24 hours after surgery, Time to start oral feeding. Result: The frequency of bleeding cases in the first 24 hours are included: 4 patients (5.63%) in the intervention group and 6 patients (8.45%) in the control group (P = 0.01). The average time to start eating for patients who were treated with topical triamcinolone ointment was significantly less than those who were not treated with this ointment. Only 2 patients (2.77%) in the intervention group took analgesics in the first 24 hours after surgery, while and 11 patients (15.3%) in the control group received analgesics in the same time period. Conclusion: In general, the results of this study showed that the use of Triamcinolone ointment in total tonsillectomy could reduce bleeding, analgesics usage, and the time of feeding onset.
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Perioperative blood loss reduction using a sterile exsanguination tourniquet for orthopedic femoral-related surgeries in children: a randomized controlled study
Rattanathanya, T., Adulkasem, N., Wongcharoenwatana, J., Ariyawatkul, T., Chotigavanichaya, C., Eamsobhana, P.
Journal of orthopaedic surgery and research. 2023;18(1):580
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Editor's Choice
Abstract
OBJECTIVES The sterile exsanguination tourniquet (SET) could be an alternative for providing bloodless surgeries in orthopedic femoral-related surgeries in pediatric patients where the standard pneumatic tourniquet would not be feasible. This randomized-controlled study aimed to evaluate the efficacy of SET in decreasing total perioperative blood loss and blood transfusion. METHODS We conducted an unplanned interim analysis of data from a randomized-controlled trial. At the time of the analysis, 31 pediatric patients had been randomly assigned to undergo surgery with the SET application (the SET group, 15 patients) and without the SET application (the control group, 16 patients). An intention-to-treat analysis was performed to evaluate the total perioperative blood loss, postoperative blood transfusion, estimated intraoperative blood loss, total drainage volume, postoperative hemoglobin level, and operative time according to the significance level adjusted for multiplicity (p < 0.029). RESULTS There was a borderline statistically significant lower body weight-adjusted TBL in the SET group (SET = 14.1 (7.7, 16.9) ml/kg vs. control 18.3 (14.8, 37.2) ml/kg, p-value = 0.027). The body weight-adjusted transfusion volume was statistically significantly greater in the control group (SET = 0.0 (0.0, 0.0) ml/kg vs. control = 2.1 (0.0, 9.7) ml/kg, p = 0.017). Body weight-adjusted estimated intraoperative blood loss was significantly lower in the SET group (SET = 0.8 (0.2, 3.5) ml/kg vs. control = 5.6 (3.4, 21.5) ml/kg, p < 0.001). In addition, the operative time was lower in the SET group with borderline statistical significance (SET = 105 (85.0, 125.0) vs. control = 130 (101.3, 167.5), p = 0.039). CONCLUSION Utilization of a sterile exsanguination tourniquet (SET) significantly reduced an estimated intraoperative blood loss while preventing the need for blood transfusion after pediatric orthopedic femoral-related surgeries. Trial registration TCTR20220412003.
PICO Summary
Population
Paediatric patients aged 3 to 18 undergoing elective femoral-related surgery (n= 31).
Intervention
Sterile exsanguination tourniquet (SET), (SET group, n= 15).
Comparison
No SET (Control group, n= 16).
Outcome
The primary outcomes were perioperative total blood loss (TBL) and transfusion rate at 72 hours after surgery. There was a borderline statistically significant lower body weight-adjusted TBL in the SET group (SET= 14.1 (7.7, 16.9) ml/kg vs. control 18.3 (14.8, 37.2) ml/kg). The body weight-adjusted transfusion volume was statistically significantly greater in the control group (SET= 0.0 (0.0, 0.0) ml/kg vs. control= 2.1 (0.0, 9.7) ml/kg). Body weight-adjusted estimated intraoperative blood loss was significantly lower in the SET group (SET= 0.8 (0.2, 3.5) ml/kg vs. control= 5.6 (3.4, 21.5) ml/kg). The operative time was lower in the SET group with borderline statistical significance (SET= 105 (85.0, 125.0) vs. control= 130 (101.3, 167.5)).