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The SARS-CoV-2 pandemic has affected 771 million people and caused 6.9 million confirmed deaths as of November 2023. Beyond the adversity, a crucial and less-explored chapter unfolds: adaptive sequelae. These have altered social, mental, and emotional conditions, leaving an imprint on biological systems. While some cases fully resolve the pathological process post-acute infection, others persist with symptoms, posing a challenge that underscores the need to comprehend pathophysiology from innovative perspectives. The article delves into "Long COVID" or Post-Acute COVID-19 Syndrome (PACS), where symptoms persist for ≥4 weeks irrespective of initial severity. Risk factors include a history of severe illness, in-hospital management, and intensive care. This article also explores theories, derived from various experimental models, that have demonstrated the involvement of the nervous system in coordination with the psychoneuroimmunoendocrine axes in the expression of inflammation. It is posited that PACS involves processes of peripheral and central sensitization (corticalization), facilitating dishomeostasis and the chronicity of the inflammatory process. In this context, various therapeutic strategies grounded in modulating the inflammatory reflex are reviewed, primarily through the infiltration of local anesthetics via linear and non-linear approaches. Neural therapeutic use is considered to stimulate the regulatory inflammatory circuits coordinated by the neuroimmune-endocrine system.

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Deep brain stimulation (DBS) stands as the preferred treatment for Parkinson's disease (PD) patients manifesting refractory motor symptoms or when medication side effects outweigh the benefits. Though traditionally administered under local anesthesia coupled with sedation (LA + S), recent evidence hints at comparable outcomes under general anesthesia (GA). This systematic review and meta-analysis aimed to scrutinize post-surgical outcomes in randomized PD patients undergoing DBS surgery while GA versus LA + S. We searched PubMed, Cochrane, and Embase databases following PRISMA guidelines. We included randomized studies directly comparing DBS surgery under GA versus LA + S, delineating clinical outcomes. Safety outcomes assessed disparities in infection and hemorrhage risk. Mean differences (MD) and Risk Differences (RD) with 95% Confidence Intervals (CI) were utilized to evaluate outcomes, under a random-effects model. Heterogeneity was evaluated through I² statistics, and in studies exhibiting high heterogeneity, exclusion analysis was performed. Evaluated outcomes encompassed motor improvement, complications, behavioral and mood effects gauged by the Unified Parkinson's Disease Rating Scale (UPDRS), Parkinson's Disease Questionnaire 39 (PDQ39), and daily levodopa equivalent dose (LEDD). A total of 3 studies, encompassing 203 patients, were reviewed. At a 6-month follow-up, in patients undergoing GA during surgery, there was no statistically significant difference compared to the LA + S group in terms of UPDRS III ON (MD 0.19; 95% CI -2.21 to 2.59; p = 0.88; I²=0%), UPDRS III OFF (MD 0.58; 95% CI -4.30 to 5.45; p = 0.21; I²=0%), UPDRS IV ON ( (MD 0.98; 95% CI -0.95 to 2.92; p = 0.32; I²=23%), PDQ39 (MD -1.27; 95% CI -6.31 to 3.77; p = 0.62; I²=0%), and LEDD (MD -1.99; 95% CI -77.88 to 73.90; p = 0.96; I²=32%). There was no statistically significant difference between groups in terms of infection (RD 0.02; 95% CI -0.02 to 0.05; p = 0.377; I²=0%) or hemorrhage (RD 0.04; 95% CI -0.03 to 0.11; p = 0.215; I²=0%). Our findings suggest, based on short-term follow-up, that GA is not inferior to LA + S in terms of benefits for the selected outcomes. However, further studies are needed to determine whether there are significant long-term clinical differences between these groups.

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Aims: This study aimed to evaluate the intraoperative pain (IOP) occurrence in situations of symptomatic irreversible pulpitis (SIP) and symptomatic apical periodontitis (SAP). Materials and Methods: Patients who sought emergency care presenting a diagnosis of SIP or SAP were included. IOP was measured with a Visual Analogue Scale (VAS) after five minutes of local anesthesia, during access to the pulp chamber, root canal exploration and at the end of procedures. In cases where pain was reported during treatment, supplementary anesthesia was performed. Pain scores were recorded and analyzed using a generalized estimating equation model with posthoc comparisons. Results: 56 patients were included. 35 had a diagnosis of SIP; and 21 a diagnosis of SAP. Mean preoperative pain scores for SAP and SIP were 6.69 (±1.54) and 6.39 (±1.48), respectively (p>0.05). In patients with SIP, significant differences were observed between: preoperative scores and other time points; scores after five minutes of local anesthesia and other time points; scores during pulp chamber access and at the end of procedures; and scores during root canal exploration and at the end of procedures (p<0.05). In patients with SAP, significant differences were observed between preoperative pain scores with all other time points (p<0.05). Chi-square test indicated an association between diagnosis and the need for supplementary anesthesia (p<0.05). Conclusions: In conclusion, there is a strong relationship between reduction of moderate/severe pain after application of local anesthesia. The need for supplemental anesthesia is significantly associated to the diagnosis of symptomatic irreversible pulpitis.

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The aim of this study was to compare the safety and clinical efficacy of epidural levobupivacaine combined with fentanyl or sufentanil for bitches undergoing elective cesarean-section and the impact of these anesthetic protocols on neonatal viability. The anesthetic protocol consisted of intramuscular morphine (0.2 mg/kg), followed by an intravenous bolus of propofol, in a dose sufficient to allowed the puncture of the lumbosacral space. The dogs were randomly allocated to receive 0.5 % levobupivacaine plus fentanyl (2.5 µg/kg; LF: n = 9) or sufentanil (1 µg/kg; LS; n = 11). Maternal cardiorespiratory parameters were monitored at specific time points during surgery. Intraoperative propofol supplementation was based on the presence of head and/or thoracic limb movements. Neonatal reflex responses and the Apgar score (range 0-10 points) were assessed at 5 and 60 minutes after birth. Puppy mortality rate was recorded until 24 hours after birth. Data were analyzed using two-way ANOVA, Tukey's test, Wilcoxon signed rank test, and Fisher's exact test (P < 0.05). Intraoperatively, maternal cardiorespiratory variables and propofol requirements were similar between groups, with no detection of anesthetic complications. The puppy reflex responses did not differ between groups at any time point. The medians (range) of Apgar scores were lower (P = 0.016) in the LF [5 (1-9)] at 5 minutes in comparison with LS [6 (2-9)], while no intergroup differences were recorded at 60 minutes [LF = 8 (2-10); LS = 9 (6-10]. The total mortality rate was 4.1 %. In the LS group, no puppies died, while in the LF 8 % of the puppies died in the first 24 hours after birth (P = 0.11). Epidural levobupivacaine combined with fentanyl or sufentanil provided minimal maternal and neonatal adverse effects, but neither protocol enabled the performance of a C-section in 100 % of the French and English bulldogs, without propofol supplementation.

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OBJECTIVE: Laparoscopic cholecystectomy (LC), despite its minimally invasive nature, requires effective control of post-operative pain. The use of local anesthetics (LA) has been studied, but the level of evidence is low, and there is little information on important parameters such as health-related quality of life (HRQoL) or return to work. The objective of the study was to evaluate the efficacy of 0.50% levobupivacaine infiltration of incisional sites in reducing POP after LC. METHODS: This was a prospective, randomized, double-blind study. Patients undergoing elective LC were randomized into two groups: no infiltration (control group) and port infiltration (intervention group). POP intensity (numerical rating scale, NRS), need for rescue with opioid drugs, PONV incidence, HRQoL, and return to work data, among others, were studied. RESULTS: Two hundred and twelve patients were randomized and analyzed: 105 (control group) and 107 (intervention group). A significant difference was observed in the NRS values (control group mean NRS score: 3.41 ± 1.82 vs. 2.56 ± 1.96) (p < 0.05) and in the incidence of PONV (31.4% vs. 19.6%) (p = 0.049). CONCLUSIONS: Levobupivacaine infiltration is safe and effective in reducing POP, although this does not lead to a shorter hospital stay and does not influence HRQoL, return to work, or overall patient satisfaction.

OBJETIVO: la colecistectomía laparoscópica (CL), a pesar de su carácter mínimamente invasivo, requiere un control efectivo del dolor postoperatorio (POP). El uso de anestésicos locales (AL) ha sido estudiado pero el nivel de evidencia es bajo y existe poca información acerca de parámetros relevantes como la calidad de vida relacionada con la salud (CVRS) o la reincorporación laboral. El objetivo de este estudio es analizar la eficacia de la infiltración de los sitios incisionales con levobupivacaína 0,50% en la reducción del dolor postoperatorio tras la CL. MATERIAL Y MÉTODOS: estudio prospectivo, aleatorizado y doble ciego. Pacientes sometidos a CL programada fueron aleatorizados en dos grupos: sin infiltración (grupo control) y con infiltración preincisional (grupo intervención). La intensidad del dolor (escala de puntuación numérica, NRS), la necesidad de rescates con opioides, la incidencia de náuseas o vómitos postoperatorios (NVPO) y datos de CVRS o reincorporación laboral, entre otros, fueron recogidos. RESULTADOS: 212 pacientes fueron aleatorizados y analizados: 105 en el grupo control y 107 en el grupo de intervención. Se observó una diferencia estadísticamente significativa en la intensidad del dolor (puntuación media NRS: 3.41 ± 1.82 vs. 2.56 ± 1.96) (p < 0.05) y en la incidencia de NVPO (31.4% vs. 19.6%) (p = 0.049). CONCLUSIONES: La infiltración con levobupivacaína es segura y efectiva en la reducción del dolor postoperatorio, aunque esto no conlleva una menor estancia hospitalaria y no influye en los resultados de CVRS, reincorporación laboral o satisfacción del paciente.

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BACKGROUND: Local anesthetic puncture is often related to the experience of pain. This study aimed to systematically analyze the literature on changes in pain perception during the anesthetic puncture of dental local anesthesia after Photobiomodulation Therapy (PBMT). MATERIAL AND METHODS: An electronic search was performed in eight primary databases (Embase, LILACS, BBO, LIVIVO, MedLine via PubMed, SciELO, Scopus, and Web of Science) and three additional ones (EASY, Google Scholar, and OATD) to partially capture the "gray literature". The PICO strategy was used to identify randomized clinical trials evaluating the analgesic effect of PBMT in the anesthetic puncture site of dental local anesthesia compared to placebo or control groups, without restrictions on publication language and year. Two reviewers extracted the data and assessed the individual risk of bias of the eligible studies using the Cochrane Collaboration Risk of Bias Tool version 2.0. RESULTS: The electronic search found 3,485 records, of which eight met the eligibility criteria and were included in the qualitative synthesis. The studies were published from 2011 to 2022. None of the included studies had a low risk of bias. PBMT groups showed no significant difference in pain scores compared to placebo and control groups of most studies. CONCLUSION: Based on a low to very low certainty of evidence, PBMT seems to have no effect on pain perception during anesthetic puncture in patients undergoing dental local anesthesia.

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The objective of this split-mouth case report is to evaluate the effect of photobiomodulation (PBM, 880 nm) on pain control during pterygomandibular puncture. A patient received anesthesia on both sides of the mouth in a randomized manner. On the right side, an 880-nm infrared laser was applied immediately before local anesthesia. On the left side, a sham laser was applied using the same technique. There was a 50% reduction in pain levels on the PBM-treated side compared to the PBM-sham side, as measured by the visual analog scale. Sensitivity tests revealed that anesthesia was more effective on the PBM side. There was no difference in blood pressure. This case report suggests that PBM (880 nm) before anesthesia may alleviate puncture pain associated with pterygomandibular anesthesia. Although these findings are based on a single case report, they can serve as the initial stepping stone for further randomized clinical trials.

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OBJECTIVE: With an aging patient population, an increasing number of octogenarians are undergoing elective endovascular abdominal aortic aneurysm repair (EVAR) in the United States. Multiple studies have shown that, for the general population, use of local anesthetic (LA) for EVAR is associated with improved short-term and long-term outcomes as compared with performing these operations under general anesthesia (GA). Therefore, this study aimed to study the association of LA for elective EVARs with perioperative outcomes, among octogenarians. METHODS: The Vascular Quality Initiative database (2003-2021) was used to conduct this study. Octogenarians (Aged ≥80 years) were selected and sorted into two study groups: LA (Group I) and GA (Group II). Our primary outcomes were length of stay and mortality. Secondary outcomes included operative time, estimated blood loss, return to operating room, cardiopulmonary complications, and discharge location. RESULTS: Of the 16,398 selected patients, 1197 patients (7.3%) were included in Group I, and 15,201 patients (92.7%) were in Group II. Procedural time was significantly shorter for the LA group (114.6 vs 134.6; P < .001), as was estimated blood loss (152 vs 222 cc; P < .001). Length of stay was significantly shorter (1.8 vs 2.6 days; P < .001), and patients were more likely to be discharged home (LA 88.8% vs GA 86.9%; P = .036) in the LA group. Group I also experienced fewer pulmonary complications; only 0.17% experienced pneumonia and 0.42% required ventilator support compared with 0.64% and 1.02% in Group II, respectively. This finding corresponded to fewer days in the intensive care unit for Group I (0.41 vs 0.69 days; P < .001). No significant difference was seen in 30-day mortality cardiac, renal, or access site-related complications. Return to operating room was also equivocal between the two groups. Multivariate regression analysis confirmed GA was associated with a significantly longer length of stay and significantly higher rates of non-home discharge (adjusted odds ratio [AOR], 1.59; P < .001 and AOR, 1.40; P = .025, respectively). When stratified by the New York Heart Association classification system, classes I, II, III, and IV (1.55; P < .001; 1.26; P = .029; 2.03; P < .001; 4.07; P < .001, respectively) were associated with significantly longer hospital stays. CONCLUSIONS: The use of LA for EVARs in octogenarians is associated with shorter lengths of stay, fewer respiratory complications, and home discharge. These patients also experienced shorter procedure times and less blood loss. There was no statistically significant difference in 30-day mortality, return to operating room, or access-related complications. LA for octogenarians undergoing EVAR should be considered more frequently to shorten hospital stays and decrease complication rates.

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Abstract Background Local anesthetic puncture is often related to the experience of pain. This study aimed to systematically analyze the literature on changes in pain perception during the anesthetic puncture of dental local anesthesia after Photobiomodulation Therapy (PBMT). Material and methods An electronic search was performed in eight primary databases (Embase, LILACS, BBO, LIVIVO, MedLine via PubMed, SciELO, Scopus, and Web of Science) and three additional ones (EASY, Google Scholar, and OATD) to partially capture the "gray literature". The PICO strategy was used to identify randomized clinical trials evaluating the analgesic effect of PBMT in the anesthetic puncture site of dental local anesthesia compared to placebo or control groups, without restrictions on publication language and year. Two reviewers extracted the data and assessed the individual risk of bias of the eligible studies using the Cochrane Collaboration Risk of Bias Tool version 2.0. Results The electronic search found 3,485 records, of which eight met the eligibility criteria and were included in the qualitative synthesis. The studies were published from 2011 to 2022. None of the included studies had a low risk of bias. PBMT groups showed no significant difference in pain scores compared to placebo and control groups of most studies. Conclusion Based on a low to very low certainty of evidence, PBMT seems to have no effect on pain perception during anesthetic puncture in patients undergoing dental local anesthesia.

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Introducción: la gastrosquisis congénita (GC) es una patología con creciente demanda asistencial. Atentos a esto, en el Centro Hospitalario Pereira Rossell (CHPR) se implementó un protocolo de cuidados llevado adelante por un equipo multidisciplinario. En este trabajo nos proponemos evaluar el impacto en la sobrevida y morbilidad a partir de su aplicación. Material y método: estudio comparativo tipo antes y después de pacientes portadores de GC (n = 47), 29 de una cohorte histórica (GH) y 18 de una cohorte posaplicación de protocolo (GP). Con edad gestacional ≥ 36 semanas y peso al nacer ≥ 2500 g, asistidos en el CHPR entre los años 2016 y 2021. Resultados: no se observaron diferencias perinatales entre ambos grupos, ni en la incidencia de GQ complicadas. En el GP se observó mayor incidencia de cierre abdominal precoz (p < 0,01), menor necesidad de realización de silo quirúrgico (p < 0,01), menor tiempo de administración de ventilación mecánica (p = 0,03), de uso total de opioides (p < 0,01), de administración de nutrición parenteral (p = 0,03), e inicio más temprano de la alimentación enteral (p = 0,03). Sin diferencias en la sobrevida al egreso hospitalario. Conclusiones: la aplicación de un protocolo estandarizado se asoció a una reducción significativa en el tiempo de cierre abdominal, de ventilación mecánica, nutrición parenteral y de opioides, con inicio más precoz de la nutrición enteral.

Introduction: congenital gastroschisis is an increasingly demanded pathology, therefore a care protocol was implemented at the Pereira Rossell Pediatric Hospital (CHPR), and it has been carried out by a multidisciplinary team. In this paper, we aim at assessing the morbidity and mortality impact of survival and morbidity of this application. Materials and Methods: comparative before and after study of a historical cohort (GH, n=29) versus a post-protocol application cohort (GP, n=18), in patients with a gestational age ≥36 weeks and birth weight ≥2500 grams assisted in CHPR between 2016-2021. Results: no perinatal differences were observed between both groups or in the incidence of complicated GQ. In the GP, a higher incidence of early abdominal closure was decreased (GH 3.4% vs GP 67%, p<0.01), less need to perform a surgical silo (GH 100% vs GP 33%, p<0.01 ), shorter mechanical ventilation administration time (GH 2 days vs GP 0.5 days, p=0.03), total use of opioids (GH 3.5 days vs GP 7 days, p<0.01) , of administration of parenteral nutrition (GH 24.5 days vs GP 20 days, p=0.03), and earlier start of enteral feeding (GH 11 days vs GP 7 days, p=0.03). No differences in survival after hospital discharge (93% vs 89%, p=0.63). Conclusions: the application of a standardized protocol was linked to a significant reduction in the time of abdominal closure, mechanical ventilation, parenteral nutrition, and opioids, with earlier initiation of enteral nutrition.

Introdução: a gastrosquise congênita (GC) é uma patologia com demanda crescente de atendimento e, porém, foi implementado um protocolo de atendimento por equipe multidisciplinar no Centro Hospitalar Pediátrico Pereira Rossell (CHPR). Neste trabalho propomos avaliar o impacto na mortalidade e morbidade depois de sua aplicação. Material e Métodos: estudo comparativo antes e depois de pacientes com CG (n=47), sendo 29 de uma coorte histórica (GH) e 18 de uma coorte pós-aplicação de protocolo (GP). Idade gestacional ≥ 36 semanas e peso ao nascer ≥ 2.500 gramas atendidos no CHPR entre os anos de 2016-2021. Resultados: não foram observadas diferenças perinatais entre os dois grupos ou na incidência de QG complicada. No GP observou-se maior incidência de fechamento abdominal precoce (p<0,01), menor necessidade de silos cirúrgicos (p<0,01), menor tempo de administração de ventilação mecânica (p=0,03) e uso total de opioides. (p<0,01), administração de nutrição parenteral (p=0,03) e início mais precoce da alimentação enteral (p=0,03). Não houve diferenças na sobrevivência até a alta hospitalar. Conclusões: a aplicação de protocolo padronizado foi associada à redução significativa do tempo de fechamento abdominal, ventilação mecânica, nutrição parenteral e opioides, com início mais precoce da nutrição enteral.

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