Anis Hasnaoui
Current Organizations / Institutes
The organizations/institutes from the scholar's latest article
Previous Organizations / Institutes
The organizations / institutes from the scholar's other articles in the past ten years
Anis Hasnaoui has a total of 125 co-authors. Here are the top co-authors by number of shared publications:
Racem Trigui
Department of General Surgery, Menzel Bourguiba Hospital, Menzel Bourguiba 7050, Bizerte, Tunisia
9 shared publications- Racem Trigui
Department of General Surgery, Menzel Bourguiba Hospital, Bizerta, Tunisia
7 shared publications Sihem Heni
Department of General Surgery, Menzel Bourguiba Hospital, Rue Djebal Lakhdar, 1006, Tunis, Tunisia
6 shared publications- Haithem Zaafouri
Department of General Surgery, Habib Thameur Hospital, Tunis, Tunisia
4 shared publications Salma Kacem
Department of General Surgery, Menzel Bourguiba Hospital, Rue Djebel Lakhdar, 1006 Tunis, Tunisia; Faculty of Medicine of Tunis, Tunis El Manar University, Tunisia
3 shared publications- Ahmed Bouhafa
Department of General Surgery, Habib Thameur Hospital, Ali Ben Ayed, Street 2037 Montfleury, Tunis, Tunisia
2 shared publications
Latest Publications
- Open Access
- 19 October 2026
- Published by Elsevier in European Journal of Surgical Oncology
- Vol. 53 (1) , 112323
Building mentorship infrastructure for cancer surgery training: a scoping review from COST Action CA24158 DISSECT
- 19 October 2026
- Published by Elsevier in European Journal of Surgical Oncology
- Vol. 53 (1) , 112323
Open AccessBuilding mentorship infrastructure for cancer surgery training: a scoping review from COST Action CA24158 DISSECT
- Open Access
- 6 August 2025
- Published by Public Library of Science (PLoS) in PLOS ONE
- Vol. 20 (8) , e0329235
Prognostic factors associated with recurrence in patients undergoing surgery for hepatic cystic echinococcosis: A systematic review protocol
Background: Cystic echinococcosis (CE) is a zoonotic disease caused by Echinococcus granulosus, with hepatic localization being the most frequent presentation in humans (70–80%). Surgical intervention remains the most common therapeutic option, despite an associated recurrence rate of 8% (95% CI: 6%–10%). CE recurrence increases postoperative morbidity, hospital stay, and healthcare costs. Several prognostic factors (PFs), such as cyst size, presence of multiple cysts, and personal or family history of CE, have been linked to recurrence. However, associations with cyst location, type, and biliary complications remain uncertain due to conflicting evidence. This systematic review (SR) aims to identify PFs associated with recurrence in patients undergoing surgery for hepatic CE. Methods: We will conduct a systematic review of primary longitudinal observational, and experimental studies evaluating the association between clinical, parasitic, and surgical PFs and CE recurrence. We will search Medline, Scopus, Embase, Web of Science, BIREME-BVS, and SciELO using a sensitive search strategy. Two reviewers will independently screen studies, extract data, and assess risk of bias using the QUIPS tool. Methodological quality will be assessed using MInCir-Pr2, and data extraction will follow the CHARMS-PF checklist. A qualitative synthesis will be performed, and where appropriate, random-effects meta-analyses will be conducted using the inverse-variance and restricted maximum likelihood methods. Heterogeneity will be assessed using Chi², Tau², I², and 95% prediction intervals. Publication bias will be explored via funnel plots and statistical tests (Egger’s). Certainty of evidence will be assessed using GRADE. Discussion: The results of this SR will support early risk stratification and inform clinical decision-making in the management of hepatic CE, a neglected tropical disease. Registration: PROSPERO, CRD42024538005.
- 6 August 2025
- Published by Public Library of Science (PLoS) in PLOS ONE
- Vol. 20 (8) , e0329235
Open AccessPrognostic factors associated with recurrence in patients undergoing surgery for hepatic cystic echinococcosis: A systematic review protocol
Background: Cystic echinococcosis (CE) is a zoonotic disease caused by Echinococcus granulosus, with hepatic localization being the most frequent presentation in humans (70–80%). Surgical intervention remains the most common therapeutic option, despite an associated recurrence rate of 8% (95% CI: 6%–10%). CE recurrence increases postoperative morbidity, hospital stay, and healthcare costs. Several prognostic factors (PFs), such as cyst size, presence of multiple cysts, and personal or family history of CE, have been linked to recurrence. However, associations with cyst location, type, and biliary complications remain uncertain due to conflicting evidence. This systematic review (SR) aims to identify PFs associated with recurrence in patients undergoing surgery for hepatic CE. Methods: We will conduct a systematic review of primary longitudinal observational, and experimental studies evaluating the association between clinical, parasitic, and surgical PFs and CE recurrence. We will search Medline, Scopus, Embase, Web of Science, BIREME-BVS, and SciELO using a sensitive search strategy. Two reviewers will independently screen studies, extract data, and assess risk of bias using the QUIPS tool. Methodological quality will be assessed using MInCir-Pr2, and data extraction will follow the CHARMS-PF checklist. A qualitative synthesis will be performed, and where appropriate, random-effects meta-analyses will be conducted using the inverse-variance and restricted maximum likelihood methods. Heterogeneity will be assessed using Chi², Tau², I², and 95% prediction intervals. Publication bias will be explored via funnel plots and statistical tests (Egger’s). Certainty of evidence will be assessed using GRADE. Discussion: The results of this SR will support early risk stratification and inform clinical decision-making in the management of hepatic CE, a neglected tropical disease. Registration: PROSPERO, CRD42024538005.
- Open Access
- 14 December 2024
- Published by Baishideng Publishing Group Inc. in World Journal of Gastroenterology
- Vol. 30 (46) , 4969-4976
Gut microbiota and mesenteric adipose tissue interactions in shaping phenotypes and treatment strategies for Crohn’s disease
In this letter, we commented on the article by Wu et al . We examined the interactions between mesenteric adipose tissue, creeping fat, and gut microbiota in Crohn’s disease (CD), a condition marked by chronic gastrointestinal inflammation with a rising global incidence. The pathogenesis of CD involves complex genetic, environmental, and microbial factors. Dysbiosis, which is an imbalance in gut microbial communities, is frequently observed in CD patients, highlighting the pivotal role of the gut microbiota in disease progression and the inflammatory response. Recent studies have shown that mesenteric adipose tissue and creeping fat actively contribute to inflammation by producing proinflammatory cytokines. The relationship between creeping fat and altered microbiota can shift from a potentially protective role to one that encourages bacterial translocation, further complicating disease management. Recent research has suggested that fecal microbiota transplantation could help restore microbial balance, offering a promising therapeutic strategy to improve clinical disease response.
- 14 December 2024
- Published by Baishideng Publishing Group Inc. in World Journal of Gastroenterology
- Vol. 30 (46) , 4969-4976
Open AccessGut microbiota and mesenteric adipose tissue interactions in shaping phenotypes and treatment strategies for Crohn’s disease
In this letter, we commented on the article by Wu et al . We examined the interactions between mesenteric adipose tissue, creeping fat, and gut microbiota in Crohn’s disease (CD), a condition marked by chronic gastrointestinal inflammation with a rising global incidence. The pathogenesis of CD involves complex genetic, environmental, and microbial factors. Dysbiosis, which is an imbalance in gut microbial communities, is frequently observed in CD patients, highlighting the pivotal role of the gut microbiota in disease progression and the inflammatory response. Recent studies have shown that mesenteric adipose tissue and creeping fat actively contribute to inflammation by producing proinflammatory cytokines. The relationship between creeping fat and altered microbiota can shift from a potentially protective role to one that encourages bacterial translocation, further complicating disease management. Recent research has suggested that fecal microbiota transplantation could help restore microbial balance, offering a promising therapeutic strategy to improve clinical disease response.
- Top Cited PapersOpen Access
- 22 November 2024
- Published by MDPI AG in Healthcare
- Vol. 12 (23) , 2337
Nurse-Led Interventions for Improving Medication Adherence in Chronic Diseases: A Systematic Review
Background: Poor medication adherence results in negative health outcomes and increased healthcare costs. Several healthcare professionals provide interventions to improve medication adherence, with the effectiveness of nurse-led interventions in people with chronic diseases remaining unclear. Objective: This study sought to evaluate the effectiveness of nurse-led interventions for improving medication adherence in adults with chronic conditions. Methods: Five databases (MEDLINE, CINAHL, EMBASE, Cochrane Library, SCOPUS) were searched without applying a temporal limit. Studies evaluating the effects of nurse-led interventions on medication adherence in adults with one or multiple chronic conditions were included. Interventions only targeting a single acute disease were excluded. Results: A total of twenty-two studies with 5975 participants were included. Statistically significant improvements in adherence were reported in five out of seven studies involving face-to-face visits to patients with heart failure (n = 2), chronic myeloid leukemia (n = 1), hypertension (n = 1) and multimorbidity (n = 1) and in four out of nine studies adopting a mixed method involving face-to-face visits and telephone follow-up for patients with heart failure (n = 1), hypertension (n = 1), coronary disease (n = 1) and multimorbidity (n = 1). Remote interventions were effective in improving medication adherence in one out of six studies. No statistically significant differences were found between tablet computer-based patient education and nurse-led educational sessions. The motivational approach was found to be one of the most common strategies used to promote patient medication adherence. Conclusions: Nurse-led face-to-face visits may be effective in improving medication adherence in people with chronic diseases. However, further research is needed because current methods for measuring medication adherence may not accurately capture patient behaviour and medication consumption patterns.
- 22 November 2024
- Published by MDPI AG in Healthcare
- Vol. 12 (23) , 2337
Top Cited PapersOpen AccessNurse-Led Interventions for Improving Medication Adherence in Chronic Diseases: A Systematic Review
Background: Poor medication adherence results in negative health outcomes and increased healthcare costs. Several healthcare professionals provide interventions to improve medication adherence, with the effectiveness of nurse-led interventions in people with chronic diseases remaining unclear. Objective: This study sought to evaluate the effectiveness of nurse-led interventions for improving medication adherence in adults with chronic conditions. Methods: Five databases (MEDLINE, CINAHL, EMBASE, Cochrane Library, SCOPUS) were searched without applying a temporal limit. Studies evaluating the effects of nurse-led interventions on medication adherence in adults with one or multiple chronic conditions were included. Interventions only targeting a single acute disease were excluded. Results: A total of twenty-two studies with 5975 participants were included. Statistically significant improvements in adherence were reported in five out of seven studies involving face-to-face visits to patients with heart failure (n = 2), chronic myeloid leukemia (n = 1), hypertension (n = 1) and multimorbidity (n = 1) and in four out of nine studies adopting a mixed method involving face-to-face visits and telephone follow-up for patients with heart failure (n = 1), hypertension (n = 1), coronary disease (n = 1) and multimorbidity (n = 1). Remote interventions were effective in improving medication adherence in one out of six studies. No statistically significant differences were found between tablet computer-based patient education and nurse-led educational sessions. The motivational approach was found to be one of the most common strategies used to promote patient medication adherence. Conclusions: Nurse-led face-to-face visits may be effective in improving medication adherence in people with chronic diseases. However, further research is needed because current methods for measuring medication adherence may not accurately capture patient behaviour and medication consumption patterns.
- Open Access
- 1 September 2024
- Published by Wolters Kluwer Health in International Journal of Surgery Case Reports
- Vol. 122 (C) , 110163
Early drain site tumor recurrence post adjuvant chemotherapy for locally advanced colon carcinoma: Case report and literature review
Introduction: Colon carcinoma is the most common type of gastro-intestinal cancer. Despite radical surgery, locoregional recurrence has been observed in 4-11.5 % of patients. Abdominal wall metastasis at the drainage site is an extremely rare finding and only a few cases are described in the literature. The mechanism of this metastasis is unknown, and its management remains unclear due to the rarity of the condition. Case presentation: A 66-year-old patient underwent left colectomy for locally advanced colonic adenocarcinoma. Eight months after the end of adjuvant chemotherapy, the patient complained of a progressive mass of the left lumbar centered on the previous drain site scar. Abdominal wall recurrence was suspected. The patient had R0 mass excision. Histopathologic examination showed a parietal infiltration by a colloid adenocarcinoma. The patient underwent adjuvant chemotherapy. No recurrence was observed. Discussion: Since 1999 only six cases of colon cancer drainage site metastasis have been reported. Metachronous solitary abdominal wall metastasis after radical colectomy may occur via cancer cell implantation, lymphatic or hematogenous route, or direct invasion. In case of drain site metastasis, the most likely hypothesis is the implantation of tumor cells into the abdominal wall through the drainage route performed during surgery. Conclusion: The appearance of abdominal wall mass after colon cancer resection must always be considered suspicious. To reduce the risk of abdominal wall metastasis we recommend minimizing tumor manipulation, resection the route of previous percutaneous drainage and performing a radical surgery. Metastasis resection combined with chemotherapy is the appropriate approach to treat these metastases. Highlights:
- 1 September 2024
- Published by Wolters Kluwer Health in International Journal of Surgery Case Reports
- Vol. 122 (C) , 110163
Open AccessEarly drain site tumor recurrence post adjuvant chemotherapy for locally advanced colon carcinoma: Case report and literature review
Introduction: Colon carcinoma is the most common type of gastro-intestinal cancer. Despite radical surgery, locoregional recurrence has been observed in 4-11.5 % of patients. Abdominal wall metastasis at the drainage site is an extremely rare finding and only a few cases are described in the literature. The mechanism of this metastasis is unknown, and its management remains unclear due to the rarity of the condition. Case presentation: A 66-year-old patient underwent left colectomy for locally advanced colonic adenocarcinoma. Eight months after the end of adjuvant chemotherapy, the patient complained of a progressive mass of the left lumbar centered on the previous drain site scar. Abdominal wall recurrence was suspected. The patient had R0 mass excision. Histopathologic examination showed a parietal infiltration by a colloid adenocarcinoma. The patient underwent adjuvant chemotherapy. No recurrence was observed. Discussion: Since 1999 only six cases of colon cancer drainage site metastasis have been reported. Metachronous solitary abdominal wall metastasis after radical colectomy may occur via cancer cell implantation, lymphatic or hematogenous route, or direct invasion. In case of drain site metastasis, the most likely hypothesis is the implantation of tumor cells into the abdominal wall through the drainage route performed during surgery. Conclusion: The appearance of abdominal wall mass after colon cancer resection must always be considered suspicious. To reduce the risk of abdominal wall metastasis we recommend minimizing tumor manipulation, resection the route of previous percutaneous drainage and performing a radical surgery. Metastasis resection combined with chemotherapy is the appropriate approach to treat these metastases. Highlights:
- Open Access
- 1 September 2024
- Published by Wolters Kluwer Health in International Journal of Surgery Case Reports
- Vol. 122 (C) , 110147
Iatrogenic ureteral injury diagnosed after colon cancer surgery: A case report of a rare and challenging complication
Introduction: Iatrogenic ureteral injury (IUI) is an unfortunate and rare complication during colorectal surgery. While IUI remains a rare event, short and long-term complications are life-threatening ranging from intraperitoneal urinoma to septic shock and a serious risk of permanent renal failure. Case presentation: An 88-year-old patient was admitted with symptoms of large bowel obstruction and underwent a laparotomy with a discharge colostomy. A week later, a second laparotomy was required for a non-functional retracted stoma, revealing a perforation in a sigmoid tumor. The patient then had an oncological sigmoidectomy with Hartman's colostomy. Postoperative findings indicated a left ureteral injury. Three weeks later, a ureterostomy was performed. Unfortunately, the patient succumbed to heart failure one week after the ureterostomy. Discussion: Low anterior and abdominoperineal resection of the rectum, along with sigmoid resection are the most frequent causes of ureteral injury in digestive surgery. The primary objective of management is to establish a continuous flow of urine to avert potential complications. Preventing IUI in colorectal surgery is of paramount importance. This process initiates in the preoperative phase with a meticulous assessment of ureteral and colic anatomy through comprehensive review of preoperative imaging. Conclusion: IUI remains a seldom-seen, and yet a very serious complication in colorectal surgery. It is imperative to prioritize both preoperative and intraoperative measures to prevent IUI, ensuring optimal outcomes. When the diagnosis of a IUI is established, a treatment strategy should be meticulously devised and executed by a skilled and experienced surgeon. Highlights:
- 1 September 2024
- Published by Wolters Kluwer Health in International Journal of Surgery Case Reports
- Vol. 122 (C) , 110147
Open AccessIatrogenic ureteral injury diagnosed after colon cancer surgery: A case report of a rare and challenging complication
Introduction: Iatrogenic ureteral injury (IUI) is an unfortunate and rare complication during colorectal surgery. While IUI remains a rare event, short and long-term complications are life-threatening ranging from intraperitoneal urinoma to septic shock and a serious risk of permanent renal failure. Case presentation: An 88-year-old patient was admitted with symptoms of large bowel obstruction and underwent a laparotomy with a discharge colostomy. A week later, a second laparotomy was required for a non-functional retracted stoma, revealing a perforation in a sigmoid tumor. The patient then had an oncological sigmoidectomy with Hartman's colostomy. Postoperative findings indicated a left ureteral injury. Three weeks later, a ureterostomy was performed. Unfortunately, the patient succumbed to heart failure one week after the ureterostomy. Discussion: Low anterior and abdominoperineal resection of the rectum, along with sigmoid resection are the most frequent causes of ureteral injury in digestive surgery. The primary objective of management is to establish a continuous flow of urine to avert potential complications. Preventing IUI in colorectal surgery is of paramount importance. This process initiates in the preoperative phase with a meticulous assessment of ureteral and colic anatomy through comprehensive review of preoperative imaging. Conclusion: IUI remains a seldom-seen, and yet a very serious complication in colorectal surgery. It is imperative to prioritize both preoperative and intraoperative measures to prevent IUI, ensuring optimal outcomes. When the diagnosis of a IUI is established, a treatment strategy should be meticulously devised and executed by a skilled and experienced surgeon. Highlights:
- Open Access
- 1 September 2024
- Published by Wolters Kluwer Health in International Journal of Surgery Case Reports
- Vol. 122 (C) , 110108
Management of a small bowel hemangioma causing intussusception in an infant: A rare case report and literature review
Introduction: Hemangiomas of the small intestine are rare and usually present in young people. They are very difficult to diagnose preoperatively. We report a rare case of mixed intestinal hemangioma (IH) causing intussusception in a pediatric patient. Case presentation: A 3-month-old girl, with no prior medical or surgical history, was admitted with rectal bleeding and paroxysmal crying due to intermittent abdominal pain. An urgent abdominal ultrasound revealed ileo-ileal intussusception. Operative findings confirmed the intussusception, and a segmental resection of the intussuscepted jejunum was performed. Histopathological examination found a mixed hemangioma. The postoperative course was uneventful. Discussion: Clinical presentation may include intestinal bleeding leading to anemia, obstruction, intussusception and perforation. Intussusception caused by small bowel hemangioma is extremely rare. Notably, we didn't find any cases of small bowel hemangioma revealed by intussusception in children. The main treatment for hemangiomas is surgical resection of the affected segment. No evidence in the literature on postoperative recurrence of hemangiomas. Conclusion: Intussusception secondary to intestinal hemangiomas is extremely rare. Preoperative diagnosis is challenging as they are often undetectable with traditional techniques. Enhanced awareness and understanding of this condition can facilitate earlier diagnosis and improve management outcomes. Highlights:
- 1 September 2024
- Published by Wolters Kluwer Health in International Journal of Surgery Case Reports
- Vol. 122 (C) , 110108
Open AccessManagement of a small bowel hemangioma causing intussusception in an infant: A rare case report and literature review
Introduction: Hemangiomas of the small intestine are rare and usually present in young people. They are very difficult to diagnose preoperatively. We report a rare case of mixed intestinal hemangioma (IH) causing intussusception in a pediatric patient. Case presentation: A 3-month-old girl, with no prior medical or surgical history, was admitted with rectal bleeding and paroxysmal crying due to intermittent abdominal pain. An urgent abdominal ultrasound revealed ileo-ileal intussusception. Operative findings confirmed the intussusception, and a segmental resection of the intussuscepted jejunum was performed. Histopathological examination found a mixed hemangioma. The postoperative course was uneventful. Discussion: Clinical presentation may include intestinal bleeding leading to anemia, obstruction, intussusception and perforation. Intussusception caused by small bowel hemangioma is extremely rare. Notably, we didn't find any cases of small bowel hemangioma revealed by intussusception in children. The main treatment for hemangiomas is surgical resection of the affected segment. No evidence in the literature on postoperative recurrence of hemangiomas. Conclusion: Intussusception secondary to intestinal hemangiomas is extremely rare. Preoperative diagnosis is challenging as they are often undetectable with traditional techniques. Enhanced awareness and understanding of this condition can facilitate earlier diagnosis and improve management outcomes. Highlights:
- Open Access
- 5 June 2024
- Published by American Society of Tropical Medicine and Hygiene in The American Journal of Tropical Medicine and Hygiene
- Vol. 110 (6) , 1065-1066
Hourglass Sign in Liver Hydatid Disease: Significance and Therapeutic Implications
"Hourglass Sign in Liver Hydatid Disease: Significance and Therapeutic Implications" published on 16 Apr 2024 by The American Society of Tropical Medicine and Hygiene.
- 5 June 2024
- Published by American Society of Tropical Medicine and Hygiene in The American Journal of Tropical Medicine and Hygiene
- Vol. 110 (6) , 1065-1066
Open AccessHourglass Sign in Liver Hydatid Disease: Significance and Therapeutic Implications
"Hourglass Sign in Liver Hydatid Disease: Significance and Therapeutic Implications" published on 16 Apr 2024 by The American Society of Tropical Medicine and Hygiene.
- Open Access
- 16 March 2024
- Published by MDPI AG in Healthcare
- Vol. 12 (6) , 670
Can Digital Technologies Be Useful for Weight Loss in Individuals with Overweight or Obesity? A Systematic Review
Digital technologies have greatly developed and impacted several aspects of life, including health and lifestyle. Activity tracking, mobile applications, and devices may also provide messages and goals to motivate adopting healthy behaviors, namely physical activity and dietary changes. This review aimed to assess the effectiveness of digital resources in supporting behavior changes, and thus influencing weight loss, in people with overweight or obesity. A systematic review was conducted according to the PRISMA guidelines. The protocol was registered in PROSPERO (CRD42023403364). Randomized Controlled Trials published from the database’s inception to 8 November 2023 and focused on digital-based technologies aimed at increasing physical activity for the purpose of weight loss, with or without changes in diet, were considered eligible. In total, 1762 studies were retrieved and 31 met the inclusion criteria. Although they differed in the type of technology used and in their design, two-thirds of the studies reported significantly greater weight loss among electronic device users than controls. Many of these studies reported tailored or specialist-guided interventions. The use of digital technologies may be useful to support weight-loss interventions for people with overweight or obesity. Personalized feedback can increase the effectiveness of new technologies in motivating behavior changes.
- 16 March 2024
- Published by MDPI AG in Healthcare
- Vol. 12 (6) , 670
Open AccessCan Digital Technologies Be Useful for Weight Loss in Individuals with Overweight or Obesity? A Systematic Review
Digital technologies have greatly developed and impacted several aspects of life, including health and lifestyle. Activity tracking, mobile applications, and devices may also provide messages and goals to motivate adopting healthy behaviors, namely physical activity and dietary changes. This review aimed to assess the effectiveness of digital resources in supporting behavior changes, and thus influencing weight loss, in people with overweight or obesity. A systematic review was conducted according to the PRISMA guidelines. The protocol was registered in PROSPERO (CRD42023403364). Randomized Controlled Trials published from the database’s inception to 8 November 2023 and focused on digital-based technologies aimed at increasing physical activity for the purpose of weight loss, with or without changes in diet, were considered eligible. In total, 1762 studies were retrieved and 31 met the inclusion criteria. Although they differed in the type of technology used and in their design, two-thirds of the studies reported significantly greater weight loss among electronic device users than controls. Many of these studies reported tailored or specialist-guided interventions. The use of digital technologies may be useful to support weight-loss interventions for people with overweight or obesity. Personalized feedback can increase the effectiveness of new technologies in motivating behavior changes.