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BackgroundThe population undergoing cardiac surgery confronts challenges from uncontrolled post-sternotomy pain, with possible adverse effects on outcome. While the parasternal block can improve analgesia, its coverage may be insufficient to cover epigastric area. In this non-blinded randomized controlled study, we evaluated the analgesic and respiratory effect of adding a rectus sheath block to a parasternal block.Methods58 patients undergoing cardiac surgery via median sternotomy were randomly assigned to receive parasternal block with rectus sheath block (experimental) or parasternal block with epigastric exit sites of chest drains receiving surgical infiltration of local anesthetic (control). The primary outcome of this study was pain at rest at extubation. We also assessed pain scores at rest and during respiratory exercises, opiate consumption and respiratory performance during the first 24 hours after extubation.ResultsThe median (IQR) maximum pain scores (on a 0–10 Numeric Rate Scale (NRS)) at extubation were 4 (4, 4) in the rectus sheath group and 5 (4, 5) in the control group (difference 1, p value=0.03). Rectus sheath block reduced opioid utilization by 2 mg over 24 hours (IC 95% 0.0 to 2.0; p<0.01), reduced NRS scores at other time points, and improved respiratory performance at 6, 12, and 24 hours after extubation.ConclusionThe addition of a rectus sheath block with a parasternal block improves analgesia for cardiac surgery requiring chest drains emerging in the epigastric area.Trial registration number NCT05764616.

The mid-point transverse process to pleura block (MTPB) is a new variant of thoracic paravertebral block (TPVB). This study aimed to compare TPVB and MTPB with respect to intraoperative attenuation of the hemodynamic stress response to surgery and postoperative analgesia in pediatric open heart surgery with midline sternotomy. A single-center, randomized, controlled, double-blind, non-inferiority study. Tertiary care children's university hospital. We recruited 83 children aged 2–12 years of both sexes with American Society of Anesthesiologists (ASA) physical status class II who were scheduled for elective open cardiac surgeries with midline sternotomy for the repair of simple noncyanotic congenital heart defects. Eligible participants were randomized into either the TPVB or MTPB groups at a ratio of 1:1. In the TPVB group, patients were bilaterally injected with 0.4 ml/kg of 0.25% bupivacaine in the paravertebral space at T4 and T5. In the MTPB group, patients were bilaterally injected with 0.4 ml/kg of 0.25% bupivacaine mid-transverse process and pleura just posterior to superior costotransverse ligament at the level of T4 and T5. The primary outcome was the hemodynamic responses to sternotomy incision, including heart rate (HR) and invasive mean arterial pressure (MAP), recorded before and after the induction of anesthesia, after skin incision, after sternotomy, 15 min after cardiopulmonary bypass (CPB), and after the closure of the sternum. The secondary outcomes were time needed to perform the bilateral block, intraoperative fentanyl consumption, postoperative fentanyl consumption, modified objective pain score (MOPS) measured at 1, 2, 6, 12, 18, and 24 h after extubation, extubation time, intensive care unit (ICU) discharge time, and the incidence of non-surgical complications (postoperative pruritus, postoperative vomiting, pneumothorax, hematoma or local anesthetic toxicity). There were no significant differences in HR and MAP in the TPVB group compared with the MTPB group at the following time points: baseline, after induction, after skin incision, after sternotomy, 15 min after CPB, and after sternal closure. Intergroup comparisons of HR and MAP did not reveal significant differences between the groups. The median (IQR) time needed to perform bilateral MTPB (7[6–8] min) was significantly (p < 0.001) shorter than that of TPVB (12[10−13] min). Intraoperative fentanyl consumption and fentanyl consumption in the first postoperative 24 h after extubation were similar in the TPVB and MTPB groups (4[2–4] vs 4[2–4] and 4.66 ± 0.649 vs 4.88 ± 1.082 μg/kg), respectively. Extubation time and ICU discharge time were comparable in the TPVB and MTPB groups (2[1–3] vs 2[1–3] h and 21.2 ± 2.5 vs 20.8 ± 2.6 h), respectively. Measurements of MOPS pain scores at 1, 2, 6, 12, 18, and 24 h after extubation were similar in both groups. The incidence of nonsurgical complications was similar in both groups. MTPB is non-inferior to TPVB in attenuating the intraoperative hemodynamic stress response to noxious surgical stimuli and in reducing perioperative opioid consumption, extubation time, and ICU discharge time. Moreover, MTPB is technically easier than TPVB and requires less time to perform. Clinical trial registration number The clinical trial registration was prospectively performed at the Pan African Clinical Trials Registry (PACTR202204901612169, approval date 01/04/2022, URL https://pactr.samrc.ac.za/TrialDisplay.aspx?TrialID=22602). •Mid-point transverse process to pleura block (MTPB) is a new variant of thoracic paravertebral block (TPVB).•The effectiveness of TPVB in blunting hemodynamic stress response and postoperative analgesia is well-established.•MTPB is non-inferior to TPVB in attenuation surgical hemodynamic stress response and providing perioperative analgesia.

Surgical site infection (SSI) is among the most common complication of major heart surgery patients with incidences ranging from 0.5 to 16.5%. Our aim was to compare the incidence, etiology and prognosis of surgical wound infection in three groups of patients with three different type of wound dressing used in a large cohort of patients undergoing cardiac surgery requiring median sternotomy (MHS). This was a randomized, prospective clinical study conducted in 900 adults undergoing MHS at our center from October 10, 2019 to February 22, 2022. Before surgical closure, patients were randomized to 3 different wound dressing groups (300 patients per group): A) conventional gauze (Mepore®), B) Absorbent: polyurethane foam (Mepilex®), or C) Vacuum-negative-pressure therapy (NPWT) wound dressing (PICO®, Smith & Nephew S.A.). Overall, 900 patients were randomized as follows: 300 patients in each group received conventional, absorbent or vacuum wound dressing respectively. Rates of SSI in groups A, B and C were respectively 2.3%, 3% and 3% for superficial SSI (sSSI) (p = 0.848) and 2%, 2% and 0.7% for postsurgical mediastinitis (PSM) (p = 0.313). Mortality in the whole group was 4.4% there being no significant differences between the three groups (4.7%, 5.7% and 3% respectively; p = 0.277). The NPWT system was better at preventing PSM than the other dressings only in the subgroup of patients undergoing coronary artery bypass graft surgery (CABG) with mammary artery grafts. We have not been able to demonstrate significant differences in the incidence of SSI in the whole series with any of the different dressings. The newer, more expensive, NPWT dressing were more effective only at preventing Post-Surgical Mediastinitis in patients undergoing CABG with internal mammary artery grafts. ClinicalTrials.gov identifier (NCT number): NCT03905213

Purpose Postoperative pain after cardiac surgery, exacerbated by cough and sternal mobilization, limits clearance of bronchopulmonary secretions and may predispose to postoperative pneumonia. In this study, we tested the ability of local anesthetic continuous wound infusion to prevent pneumonia after cardiac surgery with sternotomy and cardiopulmonary bypass (CPB) owing to better analgesia and bronchopulmonary drainage. Methods In this randomized, double-blind, placebo-controlled trial conducted in five academic centers, patients undergoing cardiac surgery with sternotomy and CPB were enrolled from February 2012 until November 2014, and were followed over 30 days. Patients were assigned to a 48-h infusion (10 ml h −1 ) of l -bupivacaine (12.5 mg h −1 ) or placebo (saline) via a pre-sternal multiperforated catheter. Anesthesia and analgesia protocols were standardized. The primary end point was the incidence of pneumonia during the study period, i.e., until hospital discharge or 30 days. We hypothesized a 30% reduction in the incidence of pneumonia. Results Among 1493 randomized patients, 1439 completed the trial. Pneumonia occurred in 36/746 patients (4.9%) in the l -bupivacaine group and in 42/739 patients (5.7%) in the placebo group (absolute risk difference taking into account center and baseline risk of postoperative pneumonia, − 1.3% [95% CI − 3.4; 0.8] P  = 0.22). In the predefined subgroup of patients at high risk, l -bupivacaine decreased the incidence of pneumonia (absolute risk difference, − 5.6% [95% CI − 10.0; − 1.1], P  = 0.01). Conclusions After cardiac surgery with sternotomy, continuous wound infusion of l -bupivacaine failed to decrease the incidence of pneumonia. These findings do not support the use of local anesthetic continuous wound infusion in this indication. Further study should investigate its effect in high-risk patients. Trial registration EudraCT Number: 2011-003292-10; Clinicaltrials.gov Identifier: NCT01648777.

This study investigated whether catheter superficial parasternal intercostal plane (SPIP) blocks, using a programmed intermittent bolus (PIB) with ropivacaine, could reduce opioid consumption while delivering enhanced analgesia for a period exceeding 48 h following cardiac surgery involving sternotomy. A double-blind, prospective, randomized, placebo-controlled trial. University-affiliated tertiary care hospital. 60 patients aged 18 or older, scheduled for cardiac surgery via sternotomy. The patients were randomly assigned in a 1:1 ratio to either the ropivacaine or saline group. After surgery, patients received bilateral SPIP blocks for 48 h with 0.4% ropivacaine (20 mL per side) for induction, followed by bilateral SPIP catheters using PIB with 0.2% ropivacaine (8 mL/side, interspersed with a 2-h interval) or 0.9% normal saline following the same administration schedule. All patients were administered patient-controlled analgesia with hydromorphone. The primary outcome was the cumulative morphine equivalent consumption during the initial 48 h after the surgery. Secondary outcomes included postoperative pain assessment using the Numeric Rating Scale (NRS) at rest and during coughing at designated intervals for three days post-extubation. Furthermore, recovery indicators and ropivacaine plasma levels were diligently documented. Cumulative morphine consumption within 48 h in ropivacaine group decreased significantly compared to saline group (25.34 ± 31.1 mg vs 76.28 ± 77.2 mg, respectively; 95% CI, −81.9 to −20.0, P = 0.002). The ropivacaine group also reported lower NRS scores at all recorded time points (P < 0.05) and a lower incidence of nausea and vomiting than the saline group (3/29 vs 12/29, respectively; P = 0.007). Additionally, the ropivacaine group showed significant improvements in ambulation (P = 0.018), respiratory exercises (P = 0.006), and self-reported analgesia satisfaction compared to the saline group (P = 0.016). Bilateral catheter SPIP blocks using PIB with ropivacaine reduced opioid consumption over 48 h, concurrently delivering superior postoperative analgesia in adult cardiac surgery with sternotomy. •Postoperative pain after cardiac surgery is challenging.•Catheter superficial parasternal intercostal plane blocks using a programmed intermittent bolus regimen reduced the morphine equivalent requirement up to three days after surgery.•The technique also reduces the incidence of postoperative nausea and vomiting, facilitating postoperative recovery.

BackgroundLinear hypertrophic scar is a common surgical problem that can be difficult to manage, especially for the median sternotomy scar. Botulinum toxin type A (BTA) is widely used in cosmetic surgery and has been shown to improve scar quality recently. The aim of this study was to evaluate the efficacy of BTA injected in the early postoperative of median sternotomy on preventing scar formation.MethodsIn this prospective randomized controlled trial, 19 consecutive patients who underwent median sternotomy were enrolled. The median sternotomy wound in each patient was divided into the upper half and the lower half. Both halves of the wound were randomized to receive the treatment with either BTA or normal saline. At 6-month follow-up, scars were assessed using the Vancouver Scar Scale, scar widths were measured, and patients were asked to evaluate their overall satisfaction.ResultsSeventeen patients with median sternotomy wounds completed the entire study. At 6-month follow-up, the mean Vancouver Scar Scale score for the BTA-treated group was 3.44 ± 1.68 and for the normal saline control group was 6.29 ± 2.39, and there was a statistically significant difference between the two groups (P < 0.05). There were also significant improvements in scar width and patient satisfaction for the BTA-treated halves of the wounds (P < 0.05).ConclusionsThe study demonstrates that early postoperative BTA injection can decrease scar formation and reduce scar width in median sternotomy wounds, and the overall appearance is more satisfactory.Level of Evidence IThis journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.

IntroductionCardiac surgical procedures are associated with a high incidence of postoperative infection, a risk attributed to their inherently invasive nature and extended duration. The goal of this study is to evaluate the efficacy of negative pressure wound therapy (NPWT) compared with standard dressings in preventing sternal scar dehiscence in patients undergoing cardiac surgery via complete vertical midline sternotomy, comparing a 3 day change system (NPWT 3/7 d) versus a 7 day wear system (NPWT 7d) versus standard dressings.Methods and analysisThe PRISTER study is a prospective open-label multicentre, randomised, controlled, three-arm trial. Patients aged ≥18 years and meeting all the following inclusion criteria: patients undergoing scheduled or semiurgent cardiac surgery, with or without extracorporeal circulation, and patients managed by complete vertical median sternotomy will be recruited. Total sample size will consist of 660 patients. The primary outcome, surgical wound dehiscence after complete median sternotomy, expressed as occurrence or non-occurrence during the first 30 postoperative days, will be assessed by tablet calibrated photos analysed by an independent blinded staff. The secondary outcomes will be the number of dressing repairs between D7 (excluding initial protocol) and D90, length of initial hospital stay, occurrence of surgical site infection and its classification collected on day 90 (D90), use of an anti-infectious treatment and its duration, incidence of postoperative mediastinitis defined by dehiscence of the sternum with positive sternal samples, incidence of surgical revision for dehiscence of the surgical wound at D90 and collection of all operations involving surgical revision of the sternotomy wound, number of rehospitalisations (including hospital consultations) and their duration (evaluated at D90). Medicoeconomic assessment will be assessed by evaluation of hospital and extrahospital costs (number of days in hospital, consultations, rehospitalisations, imaging, biology and drugs), dressing costs and patient quality of life by EQ-5D-5L.Ethics and disseminationThe study was approved by the French Agency for the Safety of Health Products (ANSM, Agence National de Sécurité du Médicament) as well as by the Ethics Committee (CPP Ile de France VIII) N°ID-RCB: 2023-A01782-43. Recruitment began in April 2024 and ended on 26 May 2025.Trial registration numberclinicaltrials.gov NCT06207630.

Introduction Heart surgery is associated with a sternotomy in most patients. Low serum calcidiol level below 80 nmol/l carries the risk of bone loss as a risk factor in sternotomy healing. Objectives The primary objective was to compare postoperative complications of sternotomy healing in two groups of patients treated with cholecalciferol or placebo. Secondary objectives were focused on the degree of sternal healing, length of hospitalization, number of days spent in ICU and mechanical ventilation, and number of repeated hospitalizations for sternotomy complications. Methodology Monocentric, randomized, double-blind, placebo-controlled, prospective study was conducted from September 2016 to December 2020 at Na Homolce Hospital. Of the 216 originally recruited and randomized subjects, 141 completed the study. Seventy-two subjects were enrolled in the cholecalciferol arm, and sixty-nine subjects in the placebo arm. The detailed methodology has been published previously. The results are presented as a comparison between two groups: calcidiol above 80 nmol/l (saturated subjects) and the calcidiol lower or equal to 80 nmol/l (unsaturated subjects). Results Statistics include 141 subjects. After a 6-month follow-up, CT imaging and calcidiol levels were performed. Primary objective: postoperative complications in sternotomy were not among the population under or above 80 nmol/l statistical difference ( p  = 0.907). Secondary objectives: monitored parameters did not differ between individual arms. But the key was the state of saturation with calcidiol (> 80 nmol/l), which was associated with a significantly lower risk of complete non-healed sternotomy ( p  = 0.008). Conclusion Optimal calcidiol level (> 80 nmol/l) indicates a positive trend towards greater sternal healing. Cholecalciferol oral administration can be considered as a safe method how to achieve the required calcidiol concentration. Trial registration EU Clinical Trials Register, EUDRA CT No: 2016–002606-39.

Background After open heart surgery, patients experience high levels of pain at the sternotomy incision site and around the chest tube(s), affecting their recovery. This study was conducted to determine the effects of local anesthetic application around the sternotomy incision site and chest tube(s) on the amount of opioids used and recovery after surgery in patients undergoing open heart surgery. Methods This randomized controlled experimental study was conducted with a total of 60 patients, with 30 patients in the experimental group and 30 patients in the control group. In the experimental group, LIDOFAST 40 mg/2 ml + 0.025 mg/2 ml, a local anesthetic agent, was applied to the postoperative sternotomy incision site and around the chest tube(s) in addition to routine treatment. Patients in the control group received only routine treatment. Data were collected using the “Descriptive Characteristics Form” and the “Postoperative Recovery Index”. Results It was observed that postoperative pain started later, opioid consumption decreased, and postoperative recovery was faster in the experimental group. As the number of chest tubes increased, recovery was delayed in all groups, and as the number of opioids used increased, postoperative recovery was negatively affected in the control group. Conclusions In this study, local anesthetic application to the sternotomy incision site and around the chest tubes after open heart surgery was found to reduce postoperative opioid consumption and positively affect recovery. Trial registration Current Controlled Trials NCT06642077 (Retrospectively registered).

Background Observational studies have shown reduced perioperative bleeding in patients undergoing minimally invasive, compared with full sternotomy, aortic valve replacement. Data from randomized trials are conflicting. Methods This was a Swedish single center study where adult patients with aortic stenosis, 100 patients were randomly assigned in a 1:1 ratio to undergo either minimally invasive (ministernotomy) or full sternotomy aortic valve replacement. The primary outcome was severe or massive bleeding defined by the Universal Definition of Perioperative Bleeding in adult cardiac surgery (UDPB). Secondary outcomes included blood product transfusions, chest tube output, re-exploration for bleeding, and several other clinically relevant events. Results Out of 100 patients, three patients randomized to ministernotomy were intraoperatively converted to full sternotomy (none was bleeding-related). Three patients (6%) in the full sternotomy group and 3 patients (6%) in the ministernotomy group suffered severe or massive postoperative bleeding according to the UDPB definition ( p  = 1.00). Mean chest tube output during the first 12 postoperative hours was 350 (standard deviation (SD) 220) ml in the full sternotomy group and 270 (SD 190) ml in the ministernotomy group ( p  = 0.08). 28% of patients in the full sternotomy group and 36% of patients in the ministernotomy group received at least one packed red blood cells transfusion ( p  = 0.39). Two patients in each group (4%) underwent re-exploration for bleeding. Conclusions Minimally invasive aortic valve replacement did not result in less bleeding-related outcomes compared to full sternotomy. Clinical Trial Registration http://www.clinicaltrials.gov . Unique identifier: NCT02272621.