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INTRODUCTION: The COVID-19 pandemic led to the cancellation of non-essential surgical procedures in March 2020. With the resumption of surgical activity, patients undergoing surgery were one of the first population groups to be systematically tested for PCR. The aim of this study was to determine the prevalence of asymptomatic SARS-CoV-2 carriers after the resumption of non-essential surgical activity. METHODS: Retrospective multicenter observational study of patients scheduled for surgery or undergoing emergency surgery in Catalonia between 20 April and 31 May 2020. The microbiological results of preoperative PCR tests and clinical records were reviewed, and an epidemiological survey was conducted on patients with positive PCR for SARS-CoV-2. RESULTS: A total of 10,838 patients scheduled for surgery or who underwent emergency surgery were screened for COVID-19. One hundred and eighteen patients (1.09%) were positive for SARS-CoV-2 in the 72 h prior to surgery. The prevalence of asymptomatic carriers was 0.7% (IC95%: 0.6%-0.9%). The first week of the study presented the highest prevalence of asymptomatic carriers [1.9% (CI95%:1.1%-3.2%)]. CONCLUSIONS: The low levels of asymptomatic carriers of COVID-19 infection obtained in the surgical population of hospitals in Catalonia after the resumption of surgical activity, shows that most patients were able to undergo surgical procedures without the risks of COVID-19 associated complications in the perioperative period.

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OBJECTIVE: Our goal was to evaluate acute postoperative pain in patients undergoing breast reconstructive surgery with Deep Inferior Epigastric Perforator Artery (DIEP) flap technique. MATERIAL AND METHODS: A retrospective study was carried out in patients undergoing DIEP-flap breast reconstruction between January 2014 and December 2019. The main goal was the evaluation of acute postoperative pain through visual analogic pain scale (VAS) at rest (VASr) and movement (VASm) in the immediate postoperative period in post-anesthesia care unit (0h), at 24 h and at 48 h post-intervention and intravenous (IV) morphine con- sumption, depending on whether General Anesthesia (GA group) or Combined Anesthesia (CA group) was performed. Secon- dary outcomes were chronic pain incidence, perioperative complications, postoperative nausea and vomiting (PONV), reinterven- tion and readmission rate and lenght of hospital saty. RESULTS: Sixty seven patients were included, 24 in GA group and 43 in CA group. CA group showed better VASm values at 24 h postintervention (p = 0.01). Postoperative IV morphine continuous infusion was required for acute pain management in 10.4% of patients (25% in GA vs 2.3% in the CA group; p = 0.004). Chronic pain rate was 13.4% (25% in GA vs 7% in the CA group; p = 0.038). Patients with worse initial pain control (VASr > 3 at 0 h) showed a higher incidence of chronic pain (66.6% vs 9.6%; p = 0.008). GA group presented higher rate of postoperative complications (66.6% vs 34.9%; p = 0,012), as well reintervention rate (58.3% vs 30.2%; p = 0.025). A sub-analysis showed that of the 10 patients (5 in the AC and 5 in the AG group) who reported poor initial pain control (VASr > 3 at 0 h), those belonging to the AC group, the IV morphine requirements were lower at post-anesthesia care unit (2 (0-5) mg vs 16 (9.5-23) mg; p = 0.016) and throughout the hospitalization period (4 (0-6) vs 24 (17.5-49, 2); p = 0.008). CONCLUSIONS: Locorregional techniques could offer a better control of postoperative acute pain and a lower incidence of chronic pain, without assuming implying a higher risk of complications related to them in patients undergoing breast reconstructive surgery by DIEP flap technique.

OBJETIVO: El objetivo del estudio fue evaluar el dolor agudo posoperatorio en las pacientes sometidas a cirugía de reconstrucción mamaria mediante colgajo de la arteria perforante epigástrica inferior profunda (colgajo DIEP). MATERIAL Y MÉTODOS: Se revisaron retrospectivamente las pacientes intervenidas de reconstrucción mamaria con colgajo DIEP entre enero de 2014 y diciembre de 2019. El objetivo principal fue la valoración del dolor agudo posoperatorio mediante la escala visual analógica (EVA) en reposo (EVAr) y movimiento (EVAm) en el posoperatorio inmediato en la unidad de Reanimación (0 h), a las 24 h y a las 48 h post-intervención y el consumo de morfina endovenosa (ev), según si se realizó una Anestesia General (AG) o una Anestesia Combinada (AC). Los objetivos secundarios fueron: incidencia de dolor crónico posoperatorio, complicaciones peroperatorias, náuseas y vómitos posoperatorios (NVPO), tasa de reintervención y reingreso y estancia hospitalaria. RESULTADOS: Se incluyeron 67 pacientes, 24 en el grupo AG y 43 en el grupo AC. El grupo AC mostró un mejor control del dolor en movimiento a las 24 h (p = 0,01). Un 10,4% de las pacientes precisaron infusión de morfina endovenosa (ev) para control del dolor agudo posoperatorio en reposo (25% en el grupo AG vs 2,3% en el grupo AC; p = 0,004). La incidencia de dolor crónico fue del 13,4% (25% en el grupo AG vs 7% en el grupo AC; p = 0,038). Las pacientes con mal control inicial del dolor (EVAr > 3 a las 0 h) presentaron mayor incidencia de dolor crónico (66,6% vs 9,6%; p = 0,008). El grupo AG presentó mayor tasa de complicaciones posoperatorias (66,6% vs 34,9%; p = 0,012), así como tasa de reintervención (58,3% vs 30,2%; p = 0,025). Un subanálisis mostró que de las 10 pacientes (5 en el grupo AC y 5 en el grupo AG) que refirieron un mal control inicial del dolor (EVAr > 3 a las 0 h), las pertenecientes al grupo AC requirieron menos morfina ev en unidad de reanimación postanestésica (2 (0-5) mg vs 16 (9,5-23) mg; p = 0,016) y durante toda su hospitalización (4 (0-6) vs 24 (17,5-49,2); p = 0,008). CONCLUSIONES: Las técnicas locorregionales podrían ofrecer un mejor control del manejo del dolor agudo y una menor incidencia de dolor crónico, sin suponer un mayor riesgo de complicaciones relacionadas con ellos en pacientes sometidas a cirugía reconstructiva mamaria mediante técnica de colgajo DIEP.

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INTRODUCTION: The COVID-19 pandemic led to the cancellation of non-essential surgical procedures in March 2020. With the resumption of surgical activity, patients undergoing surgery were one of the first population groups to be systematically tested for PCR. The aim of this study was to determine the prevalence of asymptomatic SARS-CoV-2 carriers after the resumption of non-essential surgical activity. METHODS: Retrospective multicenter observational study of patients scheduled for surgery or undergoing emergency surgery in Catalonia between 20 April and 31 May 2020. The microbiological results of preoperative PCR tests and clinical records were reviewed, and an epidemiological survey was conducted on patients with positive PCR for SARS-CoV-2. RESULTS: A total of 10,838 patients scheduled for surgery or who underwent emergency surgery were screened for COVID-19. One hundred and eighteen patients (1.09%) were positive for SARS-CoV-2 in the 72hours prior to surgery. The prevalence of asymptomatic carriers was 0.7% (95%CI: 0.6% - 0.9%). The first week of the study presented the highest prevalence of asymptomatic carriers [1.9% (95%CI: 1.1%-3.2%)]. CONCLUSIONS: The low levels of asymptomatic carriers of COVID-19 infection obtained in the surgical population of hospitals in Catalonia after the resumption of surgical activity, shows that most patients were able to undergo surgical procedures without the risks of COVID-19 associated complications in the perioperative period.

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PURPOSE: Success rate in replantation/revascularization digital surgery is one of the challenges of reconstructive surgery. For this reason, investigating prognostic factors for survival and improvement of outcomes is highly relevant. The goal of this study was to establish predictive factors of survival in replantation/revascularization digital surgery. METHODS: A descriptive, retrospective study was performed in patients who underwent urgent replantation/revascularization digital surgery in our center between January 2007 and July 2017. A total of 116 patients and 157 digits were included. Outcome (survival) factors evaluated were: preoperatively: age, sex, body mass index (BMI), ASA anesthesia score, comorbidities (smoking status, diabetes mellitus, hypertension), coagulation, type of lesion, number of affected digits, position of affected digits, injury mechanism, ischemia time; time between accident and the surgery; intraoperatively: anesthetic technique, fluid therapy (administered volume), length of surgery; and postoperatively: post-surgical complications, re-intervention requirements, surgical success rate. Statistical analysis was performed to evaluate outcome and elicit predictive factors. RESULTS: 157 digits from a total of 116 patients were included. Statistically significant differences regarding predictors of survival of replantation were found in ischemia time (0 0.003), length of surgery (p 0.004), post-surgical complications (p 0.000) and replantation need (p 0.000). The rest of analyzed variables were not statistically significant (p > 0.05). Revascularization surgery had a greater success rate than replantation (p 0.001). CONCLUSIONS: Success rate in traumatic digital surgery is greater when revascularization surgery is performed, rather than replantation. Preoperative ischemia time, length of surgery, postoperative complications and re-intervention requirement are the factors that affect survival rate.

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OBJECTIVE: Anesthetic management in DIEP-flap breast reconstruction surgery may influence the appearance of postoperative complications. Fluid therapy, vasopressor use, and blood management are controversial. The aim was to audit hemodynamic management and to assess its impact on perioperative outcomes. MATERIAL AND METHODS: Sixty-seven cases of DIEP-flap breast reconstruction were reviewed. Data collected: anthropometric data; ASA score; comorbidities; timing of reconstruction (immediate/delayed), type of reconstruction (unilateral/bilateral); length of surgery; per-operative complications; per-operative fluid therapy, use of vasopressors, transfusion rate; re-intervention requirements; surgical success rate; hospital stay, and readmission rate. RESULTS: Median crystalloid infusion rate was 3.18 (2.63-3.76) ml/kg/h in the first 24 hours. Intraoperatively, colloids were administered in 35 (52%) patients at a median infusion rate of 1.40 (1.08-1.86) ml/Kg/h; 21 (60%) of them presented some postoperative complication. Hypotensive events were registered in 13 (19%) patients; 9 (69%) suffered some postoperative complication. The only vasopressor used was Ephedrine in 14 (21%) patients, at a median dose of 0 (0-6) mg. Red blood cell (RBC) transfusion was required in 18 (27%) patients. All of the patients who were transfused, 11 (61%) presented some postoperative complication. Hospital stay was 7 (7-9) days. Surgery was successful in 46 (69%) patients and readmission was necessary in 11 (16%) patients. CONCLUSIONS: Colloids administration, intraoperative hypotensive events, RBC transfusion, and delayed surgery are variables that could increase the risk of postoperative complications in our series.

OBJETIVO: El manejo anestésico en la cirugía de reconstrucción mamaria con colgajo DIEP podría influir en la aparición de complicaciones posoperatorias. La fluidoterapia, el uso de vasopresores y la tasa transfusional son motivo de controversia. Nuestro objetivo fue auditar el manejo hemodinámico y valorar su impacto en los resultados perioperatorios. MATERIAL Y MÉTODOS: Analizamos 67 pacientes programadas para reconstrucción mamaria con colgajo DIEP. Datos registrados: antropométricos; ASA; comorbilidades; momento de la reconstrucción (inmediata/diferida); tipo de reconstrucción (unilateral/bilateral); duración quirúrgica; complicaciones perioperatorias; fluidoterapia, vasopresores y tasa transfusional peroperatorios; tasa de reintervención, reingresos y éxito de la cirugía; estancia hospitalaria. RESULTADOS: La velocidad promedio de infusión de cristaloides fue de 3,18 (2,63-3,76) ml/kg/h en las primeras 24 h. Intraoperatoriamente se administraron coloides en 35 (52%) pacientes a una velocidad promedio de infusión de 1,40 (1,08-1,86) ml/kg/h, presentando complicaciones posoperatorias en 21 (60%) casos. Trece (19%) pacientes presentaron eventos hipotensivos intraoperatorios, registrándose complicaciones en 9 (69%). El único vasopresor utilizado fue la efedrina en 14 (21%) pacientes, a una dosis mediana de 0 (0-6) mg. Requirieron transfusión sanguínea 18 (27%) pacientes. Del total de pacientes transfundidos, 11 (61%) habían presentado alguna complicación posoperatoria. La cirugía fue un éxito en 46 (69%) casos. La estancia hospitalaria fue de 7 (7-9) días y el reingreso fue necesario en 11 (16%) casos. CONCLUSIONES: La administración de coloides, los eventos hipotensivos intraoperatorios, la transfusión de hemoderivados y la cirugía con reconstrucción tardía son variables que podrían incrementar el riesgo de complicaciones posoperatorias.

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