Regional Anesthesia and the Perioperative Inflammatory Window in Cancer Surgery: From Surgical Stress to Immunometabolic Reprogramming
Simple Summary
Abstract
1. Introduction
1.1. Methods
- Large randomized controlled trials evaluating oncologic outcomes;
- High-quality meta-analyses;
- Translational studies exploring perioperative immune and inflammatory mechanisms.
1.2. The Perioperative Window as a Biological Turning Point
1.3. Anesthetic Techniques as Biological Modifiers
1.4. Why Have Large Clinical Trials Failed to Demonstrate Survival Benefit?
1.5. Toward a New Investigative Framework
2. Limitations
3. Conclusions
Future Directions and Clinical Implications
Author Contributions
Funding
Institutional Review Board Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
- Ahn, H.J. Anesthesia and cancer recurrence: A narrative review. Anesth. Pain Med. 2024, 19, 94–108. [Google Scholar] [CrossRef]
- Sessler, D.I.; Pei, L.; Huang, Y.; Fleischmann, E.; Marhofer, P.; Kurz, A.; Mayers, D.B.; Meyer-Treschan, T.A.; Grady, M.; Tan, E.Y. Recurrence of breast cancer after regional or general anaesthesia: A randomised controlled trial. Lancet 2019, 394, 1807–1815. [Google Scholar] [CrossRef]
- Ethun, C.G.; Bilen, M.A.; Jani, A.B.; Maithel, S.K.; Ogan, K.; Master, V.A. Frailty and cancer: Implications for oncology surgery, medical oncology, and radiation oncology. CA Cancer J. Clin. 2017, 67, 362–377. [Google Scholar] [CrossRef]
- Brogi, E.; Forfori, F. Anesthesia and cancer recurrence: An overview. J. Anesth. Analg. Crit. Care 2022, 2, 33. [Google Scholar] [CrossRef] [PubMed]
- Ramly, M.S.; Buggy, D.J. Anesthetic techniques and cancer outcomes: What is the current evidence? Anesth. Analg. 2025, 140, 768–777. [Google Scholar] [CrossRef] [PubMed]
- Liu, X.; Wang, Q. Application of anesthetics in cancer patients: Reviewing current existing link with tumor recurrence. Front. Oncol. 2022, 12, 759057. [Google Scholar] [CrossRef]
- Cusack, B.; Buggy, D. Anaesthesia, analgesia, and the surgical stress response. BJA Educ. 2020, 20, 321–328. [Google Scholar] [CrossRef] [PubMed]
- Pryor, K.O.; Hemming, H.C., Jr. Increased risk of awareness under anesthesia: An issue of consciousness or of memory? Anesthesiology 2013, 119, 1236–1238. [Google Scholar] [CrossRef]
- Huh, J.; Hwang, W. The role of anesthetic management in lung cancer recurrence and metastasis: A comprehensive review. J. Clin. Med. 2024, 13, 6681. [Google Scholar] [CrossRef]
- Kwak, S.-B.; Kim, S.J.; Kim, J.; Kang, Y.-L.; Ko, C.W.; Kim, I.; Park, J.-W. Tumor regionalization after surgery: Roles of the tumor microenvironment and neutrophil extracellular traps. Exp. Mol. Med. 2022, 54, 720–729. [Google Scholar] [CrossRef]
- Haykal, T.; Yang, R.; Tohme, C.; He, Z.; Liu, S.; Geller, D.A.; Kaltenmeier, C.; Gelhaus, S.L.; Simmons, R.L.; Yazdani, H.O. Surgery-induced neutrophil extracellular traps promote tumor metastasis by reprogramming cancer cell lipid metabolism. Cancer Res. 2025, 85, 4995–5014. [Google Scholar] [CrossRef]
- Zuo, H.; Yang, M.; Ji, Q.; Fu, S.; Pu, X.; Zhang, X.; Wang, X. Targeting neutrophil extracellular traps: A novel antitumor strategy. J. Immunol. Res. 2023, 2023, 5599660. [Google Scholar] [CrossRef] [PubMed]
- Zhang, W.; Liu, J.; Li, X.; Bai, Z.; Sun, Y.; Chen, X. Lidocaine effects on neutrophil extracellular trapping and angiogenesis biomarkers in postoperative breast cancer patients with different anesthesia methods: A prospective, randomized trial. BMC Anesthesiol. 2024, 24, 162. [Google Scholar] [CrossRef] [PubMed]
- Sargarovschi, S.; Alexa, A.L.; Bondar, O.-K.; Ionescu, D. The Role of Neutrophil Extracellular Traps in Hepatocellular Carcinoma. What Are the Implications of Anesthetic Techniques? A Narrative Review. Int. J. Mol. Sci. 2025, 27, 155. [Google Scholar] [CrossRef]
- Alsabani, M.H. Roles of anesthetics in modulating neutrophil extracellular traps formation: A review of current literature. Ann. Med. Surg. 2026, 88, 2403–2411. [Google Scholar] [CrossRef] [PubMed]
- Choi, H.; Hwang, W. Anesthetic approaches and their impact on cancer recurrence and metastasis: A comprehensive review. Cancers 2024, 16, 4269. [Google Scholar] [CrossRef]
- Song, Y.; Luo, Y.; Zhang, F.; Ma, Y.; Lou, J.; Li, H.; Liu, Y.; Mi, W.; Cao, J. Systemic immune-inflammation index predicts postoperative delirium in elderly patients after surgery: A retrospective cohort study. BMC Geriatr. 2022, 22, 730. [Google Scholar] [CrossRef]
- Badwe, R.A.; Parmar, V.; Nair, N.; Joshi, S.; Hawaldar, R.; Pawar, S.; Kadayaprath, G.; Borthakur, B.B.; Rao Thammineedi, S.; Pandya, S. Effect of peritumoral infiltration of local anesthetic before surgery on survival in early breast cancer. J. Clin. Oncol. 2023, 41, 3318–3328. [Google Scholar] [CrossRef]
- Chen, Y.; Kang, J.; Wang, Y.; Pan, X. Effects of anesthesia and other perioperative factors on immune function: A narrative review. Signa Vitae 2024, 20, 1–15. [Google Scholar] [CrossRef]
- Villa, J.F.; Ramirez, M.F.; Anderson, J.L.; Sikora, A.G.; Sharma, J.; Cata, J.P. Perioperative Immunomodulation and Cancer Recurrence. Int. Anesthesiol. Clin. 2026, 64, 29–42. [Google Scholar] [CrossRef]
- Templeton, A.J.; McNamara, M.G.; Šeruga, B.; Vera-Badillo, F.E.; Aneja, P.; Ocaña, A.; Leibowitz-Amit, R.; Sonpavde, G.; Knox, J.J.; Tran, B. Prognostic role of neutrophil-to-lymphocyte ratio in solid tumors: A systematic review and meta-analysis. J. Natl. Cancer Inst. 2014, 106, dju124. [Google Scholar] [CrossRef]
- Cocea, A.-C.; Stoica, C.I. Interactions and trends of interleukins, PAI-1, CRP, and TNF-α in inflammatory responses during the perioperative period of joint arthroplasty: Implications for pain management—A narrative review. J. Pers. Med. 2024, 14, 537. [Google Scholar] [CrossRef] [PubMed]
- De Cassai, A.; Geraldini, F.; Tulgar, S.; Ahiskalioglu, A.; Mariano, E.R.; Dost, B.; Fusco, P.; Petroni, G.M.; Costa, F.; Navalesi, P. Opioid-free anesthesia in oncologic surgery: The rules of the game. J. Anesth. Analg. Crit. Care 2022, 2, 8. [Google Scholar] [CrossRef]
- Santander Ballestin, S.; Lanuza Bardaji, A.; Marco Continente, C.; Luesma Bartolome, M.J. Antitumor anesthetic strategy in the perioperatory period of the oncological patient: A review. Front. Med. 2022, 9, 799355. [Google Scholar] [CrossRef]
- Buddeberg, B.S.; Seeberger, M.D. Anesthesia and oncology: Friend or foe? Front. Oncol. 2022, 12, 802210. [Google Scholar] [CrossRef] [PubMed]
- Li, R.; Mukherjee, M.B.; Jin, Z.; Liu, H.; Lin, K.; Liu, Q.; Dilger, J.P.; Lin, J. The potential effect of general anesthetics in cancer surgery: Meta-analysis of postoperative metastasis and inflammatory cytokines. Cancers 2023, 15, 2759. [Google Scholar] [CrossRef]
- Jin, I.H.; Lew, M.W. The impact of total intravenous anesthesia and volatile anesthetics on minimizing cancer recurrence and postoperative cognition. Cureus 2025, 17, e87379. [Google Scholar] [CrossRef] [PubMed]
- Jansen, L.; Dubois, B.F.; Hollmann, M.W. The effect of propofol versus inhalation anesthetics on survival after oncological surgery. J. Clin. Med. 2022, 11, 6741. [Google Scholar] [CrossRef]
- Yan, Q.; Liang, H.; Yin, H.; Ye, X. Anesthesia-related postoperative oncological surgical outcomes: A comparison of total intravenous anesthesia and volatile anesthesia. A meta-analysis. Videosurg. Miniinvasive Tech. 2023, 18, 612. [Google Scholar] [CrossRef]
- Dubowitz, J.; Riedel, B.; Blaas, C.; Hiller, J.; Braat, S. On the horns of a dilemma: Choosing total intravenous anaesthesia or volatile anaesthesia for cancer surgery, an enduring controversy. Br. J. Anaesth. 2024, 132, 5–9. [Google Scholar] [CrossRef]
- Smith, L.; Cata, J.P.; Forget, P. Immunological insights into opioid-free anaesthesia in oncological surgery: A scoping review. Curr. Oncol. Rep. 2022, 24, 1327–1336. [Google Scholar] [CrossRef]
- Forget, P.; Vandenhende, J.; Berliere, M.; Machiels, J.-P.; Nussbaum, B.; Legrand, C.; De Kock, M. Do intraoperative analgesics influence breast cancer recurrence after mastectomy? A retrospective analysis. Anesth. Analg. 2010, 110, 1630–1635. [Google Scholar] [CrossRef]
- Bugada, D.; Drotar, M.; Finazzi, S.; Real, G.; Lorini, L.F.; Forget, P. Opioid-free anesthesia and postoperative outcomes in cancer surgery: A systematic review. Cancers 2022, 15, 64. [Google Scholar] [CrossRef]
- Toleska, M.; Dimitrovski, A.; Dimitrovska, N.T. Comparation among opioid-based, low opioid and opioid free anesthesia in colorectal oncologic surgery. Prilozi 2023, 44, 117–126. [Google Scholar] [CrossRef] [PubMed]
- Jo, O.; Titon, J.P.; Ferreira, M.O.; Garbim, M.R.; Rech, D.; Panis, C. Influence of exogenous opioids on the acute inflammatory response in the perioperative period of oncological surgery: A clinical study. Braz. J. Anesthesiol. Engl. Ed. 2024, 74, 744290. [Google Scholar]
- Gu, L.; Pan, X.; Wang, C.; Wang, L. The benefits of propofol on cancer treatment: Decipher its modulation code to immunocytes. Front. Pharmacol. 2022, 13, 919636. [Google Scholar] [CrossRef] [PubMed]
- Wigmore, T.J.; Mohammed, K.; Jhanji, S. Long-term survival for patients undergoing volatile versus IV anesthesia for cancer surgery: A retrospective analysis. Surv. Anesthesiol. 2016, 60, 240. [Google Scholar] [CrossRef]
- Jiang, J.-L.; Zhang, L.; He, L.-L.; Yu, H.; Li, X.-F.; Dai, S.-H.; Yu, H. Volatile versus total intravenous anesthesia on postoperative delirium in adult patients undergoing cardiac valve surgery: A randomized clinical trial. Anesth. Analg. 2023, 136, 60–69. [Google Scholar] [CrossRef] [PubMed]
- Aijima, R.; Miura, D.; Takamori, A.; Kamohara, A.; Danjo, A.; Sakaguchi, Y.; Yamashita, Y. Impact of general anesthesia on postoperative complications in orthognathic surgery: A retrospective comparison of total intravenous anesthesia versus volatile anesthesia. Sci. Rep. 2024, 14, 16075. [Google Scholar] [CrossRef]
- Kampman, J.M.; Hermanides, J.; Hollmann, M.W.; Gilhuis, C.N.; Bloem, W.A.; Schraag, S.; Pradelli, L.; Repping, S.; Weiland, N.H.S. Mortality and morbidity after total intravenous anaesthesia versus inhalational anaesthesia: A systematic review and meta-analysis. eClinicalMedicine 2024, 72, 102636. [Google Scholar] [CrossRef]
- Kadantseva, K.K.; Yadgarov, M.Y.; Subbotin, V.V.; Berikashvili, L.B.; Akchulpanov, R.A.; Smirnova, A.V.; Kuznetsov, I.V.; Ryzhkov, P.V.; Zolotareva, E.A.; Kuzovlev, A.N. Effect of Regional Anesthesia on Oncological Outcomes (Meta-Analysis). Gen. Reanimatol. 2023, 20, 63. [Google Scholar] [CrossRef]
- Li, T.; Meng, X.; Wang, D.; Wang, Q.; Ma, J.; Dai, Z. Regional anesthesia did not improve postoperative long-term survival of tumor patients: A systematic review and meta-analysis of randomized controlled trials. World J. Surg. Oncol. 2023, 21, 68. [Google Scholar] [CrossRef]
- Reysner, T.; Wieczorowska-Tobis, K.; Kowalski, G.; Grochowicka, M.; Pyszczorska, M.; Mularski, A.; Reysner, M. The Influence of Regional Anesthesia on the Systemic Stress Response. Reports 2024, 7, 89. [Google Scholar] [CrossRef] [PubMed]
- Kapoor, R.; Owusu-Agyemang, P.; Feng, L.; Cata, J.P. The impact of the need for language assistance services on the use of regional anesthesia, postoperative pain scores and opioid administration in surgical oncology patients. J. Pers. Med. 2023, 13, 481. [Google Scholar] [CrossRef] [PubMed]
- Snyder, G.; Greenberg, S. Effect of anaesthetic technique and other perioperative factors on cancer recurrence. Br. J. Anaesth. 2010, 105, 106–115. [Google Scholar] [CrossRef] [PubMed]
- Miao, L.; Lv, X.; Huang, C.; Li, P.; Sun, Y.; Jiang, H. Long-term oncological outcomes after oral cancer surgery using propofol-based total intravenous anesthesia versus sevoflurane-based inhalation anesthesia: A retrospective cohort study. PLoS ONE 2022, 17, e0268473. [Google Scholar] [CrossRef]
- Han, J.H.; Yuk, H.D.; Jeong, S.-H.; Jeong, C.W.; Kwak, C.; Kim, J.-T.; Ku, J.H. Anesthetic approaches and 2-year recurrence rates in non-muscle invasive bladder cancer: A randomized clinical trial. Reg. Anesth. Pain Med. 2024. ahead of print. [Google Scholar] [CrossRef]
- Rosenbloom, B.N.; Slepian, P.M.; Azam, M.A.; Aternali, A.; Birnie, K.A.; Curtis, K.; Thaker, S.; Ladak, S.; Waisman, A.; Clarke, H. A randomized controlled trial of clinical hypnosis as an opioid-sparing adjunct treatment for pain relief in adults undergoing major oncologic surgery. J. Pain Res. 2024, 17, 45–59. [Google Scholar] [CrossRef]
- Xie, S.; Li, L.; Meng, F.; Wang, H. Regional anesthesia might reduce recurrence and metastasis rates in adult patients with cancers after surgery: A meta-analysis. BMC Anesthesiol. 2024, 24, 19. [Google Scholar] [CrossRef]
- Xia, Y.; Guan, X.; Zhu, W.; Wang, Y.; Shi, Z.; He, P. Effectiveness of symptom monitoring on electronic patient-reported outcomes (ePROs) among patients with lung cancer: A systematic review and meta-analysis. npj Digit. Med. 2025, 8, 399. [Google Scholar] [CrossRef]
- Tang, F.; Tie, Y.; Tu, C.; Wei, X. Surgical trauma-induced immunosuppression in cancer: Recent advances and the potential therapies. Clin. Transl. Med. 2020, 10, 199–223. [Google Scholar] [CrossRef] [PubMed]
- Yang, Y.; Zhang, Y.; Tang, Y.; Zhang, J. Anesthesia-related intervention for long-term survival and cancer recurrence following breast cancer surgery: A systematic review of prospective studies. PLoS ONE 2023, 18, e0296158. [Google Scholar] [CrossRef]
- Hermouet, S. Mutations, inflammation and phenotype of myeloproliferative neoplasms. Front. Oncol. 2023, 13, 1196817. [Google Scholar] [CrossRef] [PubMed]
- Antuamwine, B.B.; Bosnjakovic, R.; Hofmann-Vega, F.; Wang, X.; Theodosiou, T.; Iliopoulos, I.; Brandau, S. N1 versus N2 and PMN-MDSC: A critical appraisal of current concepts on tumor-associated neutrophils and new directions for human oncology. Immunol. Rev. 2023, 314, 250–279. [Google Scholar] [CrossRef]
- Guo, R.; Yang, W.; Zhong, M.; Rao, P.; Luo, X.; Liao, B.; Lei, X.; Ye, J. The relationship between anesthesia, surgery and postoperative immune function in cancer patients: A review. Front. Immunol. 2024, 15, 1441020. [Google Scholar] [CrossRef]
- Ripolles-Melchor, J.; Abad-Motos, A.; Zorrilla-Vaca, A. Enhanced recovery after surgery (ERAS) in surgical oncology. Curr. Oncol. Rep. 2022, 24, 1177–1187. [Google Scholar] [CrossRef] [PubMed]
- Kiong, K.L.; Moreno, A.; Vu, C.N.; Zheng, G.; Rosenthal, D.I.; Weber, R.S.; Lewis, C.M. Enhanced recovery after surgery (ERAS) in head and neck oncologic surgery: Impact on return to intended oncologic therapy (RIOT) and survival. Oral Oncol. 2022, 130, 105906. [Google Scholar] [CrossRef]
- Feng, J.; Li, K.; Xu, R.; Feng, H.; Han, Q.; Ye, H.; Li, F. Association between compliance with enhanced recovery after surgery (ERAS) protocols and postoperative outcome in patients with primary liver cancer undergoing hepatic resection. J. Cancer Res. Clin. Oncol. 2022, 148, 3047–3059. [Google Scholar] [CrossRef]
- Tedore, T. Regional anaesthesia and analgesia: Relationship to cancer recurrence and survival. BJA Br. J. Anaesth. 2015, 115, ii34–ii45. [Google Scholar] [CrossRef]
- Abar, B.; Gao, J.; Fletcher, A.N.; Sachs, E.; Wong, A.H.; Lazarides, A.L.; Okafor, C.; Brigman, B.E.; Eward, W.C.; Jung, S. Regional Anesthesia is Associated with Improved Metastasis Free Survival after Surgical Resection of Bone Sarcomas. J. Orthop. Res. 2023, 41, 2721–2729. [Google Scholar] [CrossRef]
- Kim, R.; Kawai, A.; Wakisaka, M.; Kin, T. Current status and prospects of anesthesia and breast cancer: Does anesthetic technique affect recurrence and survival rates in breast cancer surgery? Front. Oncol. 2022, 12, 795864. [Google Scholar] [CrossRef]
- Zhi, X.; Kuang, X.; Li, J. The impact of perioperative events on cancer recurrence and metastasis in patients after radical gastrectomy: A review. Cancers 2022, 14, 3496. [Google Scholar] [CrossRef] [PubMed]
- Fagundes, T.R.; Coradi, C.; Sotomayor, M.R.; Campos, A.G.H.; da Silva, L.C.F.; Ferneda, H.A.; da Silva Pereira Junior, W.; Bellandi, G.B.; Simonato, M.E.P.; Steffanello, V.V. Mechanisms of anesthetic-induced immune dysregulation. Anesthesiol. Perioper. Sci. 2025, 3, 37. [Google Scholar] [CrossRef]
- Zhang, Y.; Lu, J.; Qin, M.; Xu, M.; Luo, W.; Li, B.; Song, X.; Zhou, X. Effects of different anesthesia methods on postoperative immune function in patients undergoing gastrointestinal tumor resection. Sci. Rep. 2023, 13, 243. [Google Scholar] [CrossRef]
- Choi, H.; Hwang, W. Perioperative inflammatory response and cancer recurrence in lung cancer surgery: A narrative review. Front. Surg. 2022, 9, 888630. [Google Scholar] [CrossRef] [PubMed]
- Zhong, X.; Li, C.; Zhao, G.; Li, M.; Chen, S.; Cao, Y.; Wang, Q.; Sun, J.; Zhu, S.; Chang, S. Photoacoustic mediated multifunctional tumor antigen trapping nanoparticles inhibit the recurrence and metastasis of ovarian cancer by enhancing tumor immunogenicity. J. Nanobiotechnol. 2022, 20, 468. [Google Scholar] [CrossRef]
- Roussot, N.; Ghiringhelli, F.; Rébé, C. Tumor immunogenic cell death as a mediator of intratumor CD8 T-cell recruitment. Cells 2022, 11, 3672. [Google Scholar] [CrossRef]
- Zhang, L.; Zhang, Q.; Hinojosa, D.T.; Jiang, K.; Pham, Q.-K.; Xiao, Z.; Colvin, V.L.; Bao, G. Multifunctional magnetic nanoclusters can induce immunogenic cell death and suppress tumor recurrence and metastasis. ACS Nano 2022, 16, 18538–18554. [Google Scholar] [CrossRef]
- Chen, L. Perioperative Inflammation and Immune Response in Anesthesia: Implications for Recovery and Postoperative Outcomes. J. Cardiothorac. Vasc. Anesth. 2025, in press. [Google Scholar] [CrossRef]
- Bezu, L.; Akçal Öksüz, D.; Bell, M.; Buggy, D.; Diaz-Cambronero, O.; Enlund, M.; Forget, P.; Gupta, A.; Hollmann, M.W.; Ionescu, D. Perioperative immunosuppressive factors during cancer surgery: An updated review. Cancers 2024, 16, 2304. [Google Scholar] [CrossRef]
- Maisat, W.; Yuki, K. Narrative review of systemic inflammatory response mechanisms in cardiac surgery and immunomodulatory role of anesthetic agents. Ann. Card. Anaesth. 2023, 26, 133–142. [Google Scholar] [CrossRef] [PubMed]
- Konstantis, G.; Katsadouros, I.; Tsaousi, G.; Grosomanidis, V.; Pourzitaki, C. Immunomodulatory effects of anesthetic techniques in lung cancer surgery: A systematic review and meta-analysis. Medicina 2025, 61, 1263. [Google Scholar] [CrossRef] [PubMed]
- Zhou, X.; Shao, Y.; Li, S.; Zhang, S.; Ding, C.; Zhuang, L.; Sun, J. An intravenous anesthetic drug-propofol, influences the biological characteristics of malignant tumors and reshapes the tumor microenvironment: A narrative literature review. Front. Pharmacol. 2022, 13, 1057571. [Google Scholar] [CrossRef]
- Wang, D. Clinical Research on the Regulation of Perioperative Inflammatory Response by Regional Anesthesia via the Neuro-immune Axis. Trends Immunother. 2025, 9, 302–331. [Google Scholar] [CrossRef]
- Nguyen, T.T.B.; Kuo, Y.-J.; Tran, Q.S.; Chen, Y.-P. Red cell distribution width as an inflammatory biomarker for predicting one-year survival after geriatric hip fracture: A prospective cohort study. J. Formos. Med. Assoc. 2025. ahead of print. [Google Scholar] [CrossRef] [PubMed]


| Study (Year) | Cancer Type | Intervention | Control | Primary Endpoint | Main Result | Key Quantitative Findings | Key Methodological Considerations |
|---|---|---|---|---|---|---|---|
| Sessler et al. [2], 2019 The Lancet | Breast cancer | Paravertebral block + propofol | Sevoflurane + opioids | Cancer recurrence | No difference | ~10% recurrence in both groups | Heterogeneous tumor biology; no perioperative immune profiling; long-term endpoint disconnected from perioperative window |
| Badwe et al. [18], 2023 Journal of Clinical Oncology | Early breast cancer | Peritumoral local anesthetic infiltration | Placebo infiltration | Disease-free survival | No difference | >90% DFS at 5 years | Single local intervention; no systemic inflammatory assessment |
| Han et al. [47], 2024 Regional Anesthesia & Pain Medicine | Bladder cancer (NMIBC) | Regional anesthesia | General anesthesia | 2-year recurrence | No significant difference | Similar recurrence rates between groups (~20–30% overall cohort) | Short follow-up; heterogeneous risk categories; no immune stratification |
| Li et al. [42], 2023 World Journal of Surgical Oncology | Mixed solid tumors (meta-analysis of RCTs) | Regional anesthesia | General anesthesia | Long-term survival | No survival benefit | HR ~1.0 (no effect) | Aggregated heterogeneous malignancies; lack of mechanistic endpoints |
| Traditional Design | Biologically Informed Design |
|---|---|
| Endpoint: 5-year recurrence | Endpoint: perioperative immune modulation |
| No biomarker stratification | Inflammatory phenotyping |
| Heterogeneous tumors | Molecular/tumor subtype stratification |
| Binary comparison | Systems-based multimodal model |
Disclaimer/Publisher’s Note: The statements, opinions and data contained in all publications are solely those of the individual author(s) and contributor(s) and not of MDPI and/or the editor(s). MDPI and/or the editor(s) disclaim responsibility for any injury to people or property resulting from any ideas, methods, instructions or products referred to in the content. |
© 2026 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.
Share and Cite
Reysner, T.; Reysner, M. Regional Anesthesia and the Perioperative Inflammatory Window in Cancer Surgery: From Surgical Stress to Immunometabolic Reprogramming. Cancers 2026, 18, 1158. https://doi.org/10.3390/cancers18071158
Reysner T, Reysner M. Regional Anesthesia and the Perioperative Inflammatory Window in Cancer Surgery: From Surgical Stress to Immunometabolic Reprogramming. Cancers. 2026; 18(7):1158. https://doi.org/10.3390/cancers18071158
Chicago/Turabian StyleReysner, Tomasz, and Malgorzata Reysner. 2026. "Regional Anesthesia and the Perioperative Inflammatory Window in Cancer Surgery: From Surgical Stress to Immunometabolic Reprogramming" Cancers 18, no. 7: 1158. https://doi.org/10.3390/cancers18071158
APA StyleReysner, T., & Reysner, M. (2026). Regional Anesthesia and the Perioperative Inflammatory Window in Cancer Surgery: From Surgical Stress to Immunometabolic Reprogramming. Cancers, 18(7), 1158. https://doi.org/10.3390/cancers18071158

