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Knee osteoarthritis (KOA) is a very common condition with multifactorial etiology leading to severe pain and disability in the adult population. Although KOA is considered a non-inflammatory arthritis, upregulation of inflammatory and catabolic pathways with increased production of pro-inflammatory cytokines leading to cartilage degradation and extracellular matrix degeneration has been reported. Intra-articular injection of fresh fat derived stromal vascular fraction (SVF) fraction has been proposed as a valid and alternative treatment for symptomatic KOA that guarantees mechanical support through viscosupplementation, anti-inflammatory, and anabolic action. We retrospectively reviewed a case series of 84 consecutive adult patients with KOA who underwent intra-articular injection of fresh fat derived SVF. Significant improvement in pain levels (NRS score decrease 3.5 +/- 1.1, p

Breast metastasis from extra-mammary malignancy is rare. An incidence of 0.4-1.3% has been reported in the literature. The primary malignancies most commonly metastasizing to the breast are leukemia, lymphoma and malignant melanoma. We present a case of metastasis to the breast from a pulmonary adenocarcinoma, diagnosed concomitantly with the primary tumor. A 43-year-old female presented with dyspnea and a dry cough of 3 weeks' duration. A subsequent chest radiograph revealed a massive pleural effusion. Additionally, on physical examination, a poorly defined mass was noted in the upper outer quadrant of the right breast. The patient underwent bronchoscopy, simple right mastectomy and medical thoracoscopy. Following cytology, histology and immunohistochemistry, primary lung adenocarcinoma with metastasis to the breast and parietal pleura was diagnosed. Histologically, both the primary and metastatic anatomic sites demonstrated a micropapillary component, which has recently been recognized as an important prognostic factor. Although the patient received chemotherapy, she succumbed to her condition within 8 months. Accurate differentiation of metastasis from primary carcinoma is very important as the treatment and prognosis of the two differ significantly.

The aim of the study was to prospectively evaluate the outcome of myotomy plus diverticulopexy over short and long-terms. A prospectively collected consecutive series (2007–2017) of 37 patients undergoing myotomy plus diverticulopexy was analyzed for clinical condition, operative information, peri-operative events, and follow-up by means of interview and physical examination. Diverticulopexy was scheduled regardless of the diverticulum’s features and patient condition, other than operability. There was no choice or selection between possible treatment options. Patients were evaluated pre-operatively, at post-operative day 30 and after 1 year. Follow-up aimed at assessing the subjective condition following treatment. During the interview, patients were asked to self-assess their ability to swallow before and after surgery. No patient had peri-operative events, complications associated with the procedure, wound infection or impaired swallowing. All patients could start drinking the day after operation, could return to solid diet on post-operative day 2 and be discharged on post-operative days 3–4. Barium swallowing was not necessary before discharge. Full solid diet was resumed according to patient’s compliance from post-operative day 2 (some patients refused solid diet soon after the operation even if asymptomatic). Follow-up ranged between 1 and 8 years. No patient was lost at follow-up. No disease recurrence was observed. Finally, no patient needed or sought for a clinical examination between the follow-up calls. Patients reported at least 50% improvement of symptomatology after 1 year. Diverticulopexy appears to be clinically safe, methodologically reproducible, and an effective procedure; it avoids suturing and offers good outcome results along with high patient satisfaction.

Aim. A residual mediastinal thyroid (“forgotten goiter”) is a well-known, though uncommon, complication of total thyroidectomy. Materials of study. The authors analyze their experience with three cases of goiter forgotten, observed in a series of 2946 thyroid resections in the period 2005–2010. In the study, a preoperative CT of the chest with three-dimensional reconstruction was always performed to examine the topographical relationships of the lesion. Excision was performed through cervicotomy, cervicosternotomic approach and cervicosternotomy, and posterolateral right thoracotomy. Results. There were no complications. Histological examination was suggestive of malignancy in one case (follicular carcinoma with pulmonary metastases). Discussion. The indication for surgery in cases of forgotten goiter is intrinsic to the diagnosis. Preoperative evaluation with accurate topographic imaging is required in all cases in order to understand the nature and location of mediastinal pathological tissue and to identify the most suitable access route. The cervicotomy is the ideal access for low surgical trauma and is easily extendable into a partial or complete sternotomy. A thoracotomy, on the other hand, which is usually reserved for the right side, must be planned preoperatively.

Background: Post-intubation tracheoesophageal fistula (PITEF) is an often mistreated, severe condition. This case series reviewed for both the choice and timing of surgical technique and outcome PITEF patients. Methods: This case series reviewed ten consecutive patients who had undergone esophageal defect repair and airway resection/reconstruction between 2000 and 2014. All cases were examined for patients: general condition, medical history, preparation to surgery, diagnostic work-up, timing of surgery and procedure, fistula size and site, ventilation type, nutrition, post-operative course and complications. Results: All patients were treated according to Grillo’s technique. Overall, 6/10 patients had undergone a preliminary period of medical preparation. Additionally, 3 patients had already had a tracheostomy, one had had a gastrostomy and 4 had both. One patient had a Dumon stent with enlargement of the fistula. Concomitant tracheal stenosis had been found in 7 patients. The mean length of the fistulas was 20.5 mm (median 17.5 mm; range, 8–45 mm), at a median distance from the glottis of 43 mm (range, 20–68 mm). Tracheal resection was performed in all ten cases. The fistula was included in the resection in 6 patients, while it was excluded in the remaining 4 due to their distance. Post-repair tracheotomy was performed in 3 patients. The procedure was performed in 2 ventilated patients. Morbidity related to fistula and anastomosis was recorded in 3 patients (30%), with one postoperative death (10%); T-Tube placement was necessary in 3 patients, with 2/3 decannulations after long-stenting. Definitive PITEF closure was obtained for all patients. At 5-year follow-up, the 9 surviving patients had no fistula-related morbidity. Conclusions: Primary esophageal closure with tracheal resection/reconstruction seemed to be effective treatment both short and long-term. Systemic conditions, mechanical ventilation, detailed preoperative assessment and appropriate preparation were associated with outcome. Indeed, the 3 patients who had received T-Tube recovered from anastomotic complications.

BACKGROUND Tumescent local anesthesia (TLA) technique to obtain regional anesthesia and vasoconstriction of the skin and subcutaneous tissues is routinely adopted for several plastic surgery procedures. Here, we describe the use of TLA in primary subglandular breast augmentation. This series evaluates advantages and disadvantages of TLA in elective augmentation breast surgery as well as patients' response to this procedure. METHODS Between December 2008 and November 2011, 150 patients underwent bilateral primary subglandular breast augmentation under TLA and conscious sedation in the presence of a board-certified anesthesiologist. Midazolam 0.05 mg/kg IV and ranitidine 100 mg IV were given as premedication. Tumescent local anesthesia was composed of 25 mL of lidocaine 2%, 8 mEq of sodium bicarbonate, and 1 mL of epinephrine (1 mg/1 mL) in 1000 mL of 0.9% NS. The solution was delivered between the pectoral fascia and the mammary gland via a spinal needle. After infiltration, 45 minutes were allowed before surgery for local anesthetic effects to take place. RESULTS The mean age of the patients was 34.3 years. The average amount of tumescent solution infiltrated was 1150 mL, with a maximal dose of 17 mg/kg of lidocaine used. Operating time was 45 minutes and recovery room time averaged 125 minutes. Minor complications were found in a total of 9 (5.3%) patients, with no main surgery-related complications such as hematoma or seroma formation. CONCLUSIONS Breast augmentation under TLA and conscious sedation proved to be safe in the presence of a board-certified anesthesiologist and when performed with meticulous surgical technique.

Introduction Thoracic duct fistula at the cervical level is a severe but rare complication following thyroid surgery, particularly associated to lateral dissection of the neck and to mediastinal goiter. Methods we retrospectively analyzed chylous fistulas observed in a cohort of 13.224 patients underwent surgery for thyroid disease since 1986 to 2014, in the Unit of Endocrine Surgery, S. Maria University Hospital, Terni, Italy. Results We observed 20 cases of chylous fistula. Thirteen patients underwent primary surgery in our institution while the remaining 7 cases had been referred to our Department from other hospitals for an already diagnosed lymphatic leak. Surgical procedures carried out included total thyroidectomy for mediastinal goiter in 4 patients, total thyroidectomy for cancer in 2 patients, unilateral functional lymphadenectomy in 11 patients and bilateral in 3. Intraoperative repair was carried out in 4 cases. Of the remaining 16 cases, 4 of the 6 fistulas with low flow leakage healed in about 30 days of conservative treatment, 2 cases instead required surgical repair. All 10 patients with "high-flow" fistula underwent surgery. Despite surgery was performed later, postoperative course in patients with late surgical repair is similar to what observed in those patients with early surgical repair. Both groups underwent cervical drainage removal in post-operative day 4. Conclusion Healing of a cervical chylous fistula can be achieved by conservative medical therapy (nutritional and pharmacological) but in case of therapeutic failure with rapid decrease of general condition, the surgical approach is necessary. In our experience, duct ligation after unsuccessful conservative treatment, is the only resolutive treatment.

Introduction Aim of this study is to analyze outcome and the decision making process to approach airway invasion by thyroid tumors. Methods Retrospective study of 30 years experience in thyroid surgery for cancer invading airway. Clinical records, surgical and pathology reports have been analyzed to assess which principles and procedural details are significant to facilitate efficient diagnosis, staging and treatment. Medical therapy was not evaluated. Results Out of a consecutive series of 2165 thyroid cancer patients, T4a cancers are 303 (14%). Airway invasion was found in 141 (6.5%) cases. Well-differentiated pattern was determined in 110 (78%) while other histology was reported in 31 (22%). Airway-related symptoms have been recorded in 111 (78%) patients. Flexible bronchoscopy was performed in all patients. Rapidly evolving disease or non-resectable airway was found in 105 (74.5%) cases. Permanent tracheotomy was performed in 43 (30.5%) cases, airway lumen restoration with or without stenting in 39 (27.7%), laryngectomy in 8 (5.7%), segmental airway resection and reconstruction in 28 (19.9%). Perioperative mortality was recorded after palliative treatment only. In resected patients, completely radical surgery was not always achievable. All patients with positive margin after resection underwent adjuvant treatment and showed comparable survival to radical surgery patients after 5 years. Tumor relapse occurred in 8 (28.6%) cases (distant or locoregional). Patients with unresectable disease require treatment for symptoms relief but survival is poor. Conclusion Although some patients are currently referred with a severely advanced disease, the indication for tracheotomy, salvage procedures or supportive care has decreased over time. Resection is feasible for differentiated tumors with an overall good outcome.

Purpose To compare the occurrence rate of hypotensive and bradycardic events (HBEs) during arthroscopic rotator cuff repair performed with interscalene brachial plexus block anesthesia in the sitting position in 2 groups of patients who underwent the procedure with norepinephrine or epinephrine added to the irrigation fluid. The secondary objective was to evaluate the efficacy of norepinephrine in comparison with epinephrine in controlling intraoperative bleeding and maintaining adequate visualization of the arthroscopic field of view during the procedure. We hypothesized that norepinephrine added to the irrigation fluid during shoulder arthroscopy in the sitting position would reduce the occurrence of HBEs, allowing optimal intraoperative bleeding control. Methods One hundred twenty patients underwent an arthroscopic rotator cuff repair performed under peripheral anesthesia and in the beach-chair position. Patients were randomly divided into 2 groups of 60 cases each: Norepinephrine (0.66 mg/L) and epinephrine (0.33 mg/L) were added to irrigation bags in group N and group E, respectively. The primary outcome was the occurrence rate of HBEs during surgery. The secondary outcomes were timing of onset of HBEs, accompanying symptoms, and intraoperative bleeding that impaired arthroscopic visualization. The clarity of the visual field was rated postoperatively by the surgeon using a visual analog scale. Comparison between groups for all baseline variables and outcome measurements was performed with the χ 2 or Fisher exact test, as appropriate, for categorical variables and the Student t test or Mann-Whitney U test, as appropriate, for continuous variables. Significance was set at P Results One patient was excluded from group E because of block failure; therefore 119 patients were finally included in the study. Comparison between groups showed no significant differences in baseline characteristics. The occurrence rate of HBEs was significantly greater in group E (n = 15) than in group N (n = 5) ( P = .02). No differences between groups were found in the average time of onset of HBEs, accompanying symptoms, and clarity of the visual field. Conclusions Continuous administration of norepinephrine, 0.66 mg/L, diluted in irrigation fluid during arthroscopic rotator cuff repair with the patient in the beach-chair position reduces the incidence of HBEs and is as effective as epinephrine in controlling intraoperative bleeding and maintaining the visual clarity of the surgical field. Level of Evidence Level I, randomized clinical study.

Background . A variety of respiratory stents are currently available, but the ideal airway prosthesis seems far from being recognized. The objective of this study was to verify safety and long-term effect on the bronchial wall of three different types of airway stents. Methods . Twelve healthy adult sheep were divided in three groups, scheduled to receive: (1) bare self-expandable metallic stents (Gianturco); (2) silicone stents (Dumon); and (3) covered self-expandable synthetic stents (Polyflex). Insertions were performed through a rigid bronchoscope under general anesthesia. Chest roentgenogram was performed 1 and 6 months after surgery, and flexible bronchoscopy after 6 months. Twelve months postoperatively, the animals were killed and a postmortem examination was carried out. Results . All Polyflex stents migrated during the observation period; one late migration was observed in the Dumon group. Microscopic study showed: (1) Gianturco stents: full-thickness perforation of the bronchial wall covered by a thick layer of a chronic inflammatory infiltrate. Infection by Candida at the bottom of some ulcerations; (2) Dumon stents: mild bronchial inflammation (squamous metaplasia, submucosal inflammatory infiltrates; granuloma-like infiltrates). In case of displacement, no significant changes of the previously stented bronchus occurred; and (3) Polyflex stents: no changes of the previously stented bronchi. Conclusions . Gianturco stents proved unsafe in the long term, owing to the risk of severe airway wall damage. The Polyflex stent is well tolerated but presents a high migration rate. Silicone stents show several limitations but appear to be well tolerated by the host mucosa.

Surgical procedures in shoulder arthroscopy can be performed under regional blockade, general anesthesia, or a combination of the two techniques. The anesthesiologist’s preoperative assessment is crucial to the formulation and execution of the anesthetic plan. The patients must be evaluated for coexisting medical problems, potential airway management difficulties, and considerations related to intraoperative positioning. This evaluation together with an understanding of the surgeon’s need is used to formulate the anesthetic plan. Hypertension is the prevalent medical problem observed in elderly patients undergoing shoulder surgery. Hypertensive patients will experience wider fluctuations in blood pressure intraoperatively than normotensive individuals, especially in the beach-chair position. Noxious stimuli will lead to exaggerated hypertensive responses. Conversely, since hypertensive patients tend to be intravascularly depleted, once general anesthesia is induced, hypotension may occur. In general, hypertensive patients should continue their antihypertensive therapy perioperatively.

The work of the anesthesiologist in MISS ranges widely, from mild to deep sedation and Monitored Anesthesia Care (MAC) to general anesthesia, in some cases with single-lung ventilation and/or invasive systemic blood pressure or central venous pressure monitoring. There is also great variability in surgical techniques, ranging from percutaneous or mini-open posterior approaches to laparo- or thoracoscopic anterior procedures. The choice of the anesthetic technique, drugs, and the appropriate treatment setting is made by considering both the planned surgical procedure and the patient’s preoperative conditions [1]. Especially in the elderly, coexisting diseases are frequent and chronic therapies can often interfere with anesthetics or increase the rate of some surgical or anesthesiological complications.

Thyroid gland tumors represent 1% of malignant tumors. In Italy their incidence is in constant growth. The aggressiveness depends on the histological type. The relative non-aggressive grade of different forms of tumors is the basis for discussing the treatment of choice: total thyroidectomy vs lobectomy with or without lymphadenectomy of the sixth level in the absence of metastasis. Authors report about their experience, and they advocate, given the high percentage of multicentric forms, total thyroidectomy as treatment of choice.

Breast metastasis from extra-mammary malignancy is rare. An incidence of 0.4–1.3% has been reported in the literature. The primary malignancies most commonly metastasizing to the breast are leukemia, lymphoma and malignant melanoma. We present a case of metastasis to the breast from a pulmonary adenocarcinoma, diagnosed concomitantly with the primary tumor. A 43-year-old female presented with dyspnea and a dry cough of 3 weeks’ duration. A subsequent chest radiograph revealed a massive pleural effusion. Additionally, on physical examination, a poorly defined mass was noted in the upper outer quadrant of the right breast. The patient underwent bronchoscopy, simple right mastectomy and medical thoracoscopy. Following cytology, histology and immunohistochemistry, primary lung adenocarcinoma with metastasis to the breast and parietal pleura was diagnosed. Histologically, both the primary and metastatic anatomic sites demonstrated a micropapillary component, which has recently been recognized as an important prognostic factor. Although the patient received chemotherapy, she succumbed to her condition within 8 months. Accurate differentiation of metastasis from primary carcinoma is very important as the treatment and prognosis of the two differ significantly.

Several techniques exist for the repair of complex pectus excavatum. The placement of retrosternal metal bars improves the results by reducing the recurrence rate, but entails several possible risks, complications and disadvantages. A new method, specifically conceived for the repair of severe, asymmetric forms in adult patients, is reported. The corrected bone is fixed in the proper position by two, patient-customized, titanium struts, externally screwed to the manubrium and sternal body. Any retrosternal bar is thus avoided, reducing possible complications, without hampering the chest wall dynamic. In this particularly difficult issue, this technique provides long-term good functional, mechanical and cosmetic results and does not entail a second surgery for struts removal.

Spontaneous bleeding of thymoma is a very rare event. We report the case of a 73-year-old woman who was referred to our hospital for acute onset of chest pain followed by shock. Chest computed tomographic scanning showed a huge mediastinal tumor with abundant left pleural effusion and contralateral shift of the mediastinum. Emergency surgical treatment was carried out through a clamshell incision. At the opening of the left pleura 1,600 mL of fresh blood was found, originating from a rupture of the tumor's capsular veins. The lesion was completely resected, en-bloc with a wide pericardial excision. The postoperative course was uneventful. The pathology report classified the lesion as thymoma AB.

We thank the editor for the opportunity to explain better the rationale for our recently proposed technique [1]. When many different procedures are described for the treatment of the same disease, it is clear that the ideal technique has not been identified yet. In our opinion, the method devised by Actis Dato et al. [2] has a valid theoretical basis and has, in their hands, proved to be safe and effective. Furthermore, the authors have such a considerable experience in this field that their opinion has to be taken into the utmost consideration by the scientific community. In conceiving our technique, we aimed to avoid some drawbacks associated with the use of metallic retrosternal bars while trying to maintain similar long-term results. In fact, a transverse posterior bar limits the thoracic compliance, causes exposures to serious damage in the case of trauma, can be painful and requires a second operation for removal. We think that such disadvantages may justify the research on novel methods. The use of new titanium plates specifically built for sternal stabilization avoids the need for a posterior support, while ensuring the same solidity of the reconstructed sternum. These results can be achieved thanks to the highest strength-to-weight ratio of titanium: the Synthes struts (Synthes, Canada Ltd.) modelled on the anatomical sternal shape are so thin and light that their removal is not required. As correctly noted by Actis Dato et al., the procedure is relatively expensive [3]. This disadvantage is undoubtedly more than offset by the avoidance of a second surgery for the bar removal. Finally, the economic impact of the procedure is limited, as it is indicated in a carefully selected group of patients, with a condition difficult to correct such as the severe asymmetric pectus excavatum.

Background . Endoscopic treatment of malignant central airway obstructions usually is done for palliation. The exact role of such a procedure as preparatory to operation remains controversial. Methods . From 1987 through 1996, 24 patients at our institution underwent tracheobronchial pulmonary resection after preliminary endoscopic treatment. During the same period, 304 patients underwent 449 operative rigid bronchoscopies for airway obstructions, most involving the use of a neodymium:yttrium-aluminum-garnet laser. The indications for operation were squamous cell carcinoma in 14 patients, bronchial gland tumors in 8 patients, and papillary thyroid cancer infiltrating the trachea in 2 patients. The total resection rate was 9.5% (5% for squamous cell carcinoma, 75% for low-grade malignant bronchial tumors, and 75% for papillary thyroid cancer). The median period between operative rigid bronchoscopy and operation was 18 days. Results . No complications were observed after endoscopic treatment. There were two perioperative deaths (adult respiratory distress syndrome after carinal resection and pulmonary embolism after pneumonectomy) and one major complication (poor postoperative pulmonary function after pneumonectomy). No anastomotic complications were observed in the tracheobronchoplastic procedures. Follow-up was possible in every patient but 1: 6 patients died at a median of 30.5 months after operation (range, 3 to 46 months), 2 patients are alive with disease, and the rest are alive without evidence of disease at a median of 21 months (range, 2 to 61 months). Conclusions . Most patients who require endoscopic therapy for malignant airway obstructions are not candidates for operative resection. Preliminary endoscopic relief of obstruction can increase operability and improve surgical results in a highly selected group of patients.