To standardize the clinical application of implantable intravenous (IV) ports, the Chinese Society of Breast Surgery (CSBrS) of the Chinese Medical Association has identified the key clinical issues through literature research and expert discussion and evaluated the relevant evidence with reference to the grading of recommendations assessment, development, and evaluation. The CSBrS formulated the clinical practice guidelines to provide a reference for physicians specializing in breast cancer and other fields. Level of Evidence and Recommendation Strength Level of evidence standard[1] Recommendation strength standard[1] Recommendation strength review committee A total of 84 members of the voting committee of this guideline, including 71 breast surgeons (84.52%), four oncologists (4.76%), four radiologists (4.76%), two pathologist (2.38%), two radiation therapist (2.38%), and one epidemiologist (1.19%). Target Audience Chinese breast disease specialists. Recommendations - Recommendation 1: Indications. Indications Level of evidence Recommendation strength 1.1 Breast cancer patients requiring chemotherapy drugs, highly osmotic or viscous fluids such as intravenous nutrition, or blood or long-term infusions[2] I Class A - Recommendation 2: Channel selection. Channel selection Level of evidence Recommendation strength 2.1 Subclavian vein, internal jugular vein, noble vein[3] I Class A 2.2 Femoral vein[4] II Class A - Recommendation 3: Catheter tip position in infusion port. Catheter tip position Level of evidence Recommendation strength 3.1 Lower 1/3 of the superior vena cava[5–7] I Class A 3.2 Junction of the superior vena cava and right atrium[6,8] I Class A - Recommendation 4: Catheter tip positioning method. Catheter tip positioning method Level of evidence Recommendation strength 4.1 Intra-operative X-ray or post-operative chest radiograph[9,10] I Class A 4.2 Intra-operative electrocardiogram (ECG) localization[11,12] I Class A - Recommendation 5: Prevention and management of common complications. Complications Prevention and treatment Level of evidence Recommendation strength 5.1 Pneumothorax, hemothorax, air embolism, misdirected artery, etc Ultrasound localization or intra-operative use of ultrasound-guided venipuncture[13,14] I Class A 5.2 Catheter-associated bloodstream infections Strict asepsis; empirical use of antibiotics until drug sensitivity test results are available, and selection of drugs based on drug sensitivity after clarification of the infecting agent; removal of intravenous ports when treatment is ineffective[8,14] II Class A 5.3 Catheter-associated thrombosis Avoid repeated punctures; position the catheter tip correctly. Once catheter-associated thrombosis occurs, anticoagulation is preferred[14] II Class A - Recommendation 6: Infusion port maintenance. Featured content Level of evidence Recommendation strength 6.1 Maintenance of IV ports by professionally trained health care professionals[15] I Class A 6.2 Non-invasive needles should be used for puncture, with replacement of non-invasive needles every 7 days[7] I Class A 6.3 Catheter return and flow smoothness should be assessed after puncture[15] I Class A 6.4 Sterile dressings are required to cover the puncture point and sterile clear dressings should be changed at least every 7 days, with sterile gauze dressings changed at least every 2 days[7] I 6.5 With syringes of 10 mL and above, the tube was flushed using a pulsatile maneuver and sealed by a positive-pressure maneuver[15] II Class A 6.6 Tubes were flushed and sealed with saline or 100 U/mL heparin saline[7,15] I Class A 6.7 Maintenance at least every 4 weeks between treatments[7] I Class A Discussion Implantable IV port indications and choice of access IV ports have changed the paradigm of care for patients receiving long-term infusions of cytotoxic or hyperosmolar, viscous drugs. In the literature, the long-term use of internal jugular vein implantation for the infusion port is more effective and safer than that for the subclavian vein.[3] Femoral vein placement may be appropriate in cases of obstructed compression of the superior vena cava or other special circumstances.[4] The arm port provides a better patient experience than the chest wall port because the placement site is hidden and there are no problems with changing the patient's dressing habits and exposing the implanted port site. Rational positioning of implantable IV port catheter tips The American Society for Intravenous Infusion Nursing recommended that the tip of the central venous catheter be placed in the lower third of the superior vena cava, adjacent to the junction of the superior vena cava and the right atrium.[5] The European Society for Medical Oncology guidelines recommended the ideal location of the tip at the junction of the superior vena cava and the right atrium.[8] Guidelines for the implantation and management of central venous access require imaging equipment.[9] Randomized controlled trial studies have shown that intra-operative X-ray fluoroscopy significantly reduces the rate of central venous catheter tip ectasia and the need to adjust catheter tip position compared to blind penetration.[10] Prospective controlled studies have shown that the application of ECG positioning significantly reduces the risk of tip ectasia and is efficient and economical.[11,12] Prevention and management of common complications of implantable IV ports Ultrasound-guided internal jugular vein puncture is relatively easy to perform, has fewer complications, and is a safer procedure compared to that in other veins.[8] The main cause of catheter-associated bloodstream infection pathogenesis is bacterial colonization of intravascular catheters. The typical presentation is chills and hyperthermia with elevated leukocyte counts. When infection is suspected, the use of the IV port should be suspended and intra-port and peripheral blood samples should be drawn for blood culture and drug sensitivity testing. Sensitive antibiotics should be selected for systemic treatment based on these test results. The IV port should be removed immediately upon anti-infective therapy failure.[8,14] IV port catheter-associated thrombosis is primarily guided by the formation of blood clots in the external wall of the tube or intra-catheter access. Once thrombosis is established, anticoagulation is preferred[8,14]; furthermore, thrombolytic therapy is generally not recommended. Maintenance of implantable IV ports The implantation and maintenance of IV ports should be performed by individuals and/or teams with educational backgrounds in infusion therapy. The use of non-invasive needles can protect against the puncturing of the silicone septum of the injection seat. Health industry standards state that non-invasive needles should be changed every 7 days. The non-invasive needle wing must be fixed and protected using sterile dressings. Sterile transparent dressings should be changed at least every 7 days and sterile gauze excipients should be changed at least every 2 days. The 10-mL syringe is recommended to assess the function of the device, as larger-diameter syringes produce lower injection pressure and help to protect the catheter. Pulsatile maneuvers can create a vortex in the lumen and increase the flushing effect and positive-pressure sealing can prevent blood reflux from the catheter tip. Our health industry standards state that IV ports should be maintained at least every 4 weeks between treatments. Removal of implantable IV port Infusion ports that do not need to be retained or are not suitable for continued retention may be removed. After the removal, the device should be checked for integrity. Appendix Practice Video (Supplementary file), https://links.lww.com/CM9/A599, https://links.lww.com/CM9/A600. Conflicts of interest The Expert Committee for this guideline declares no conflict of interest. This guideline is intended to serve as a reference for the clinical work of physicians specializing in breast disease. It does not serve as a basis for medical evaluation, nor does it arbitrate on any medical disputes or controversies, nor does it serve as a reference for patients or non-breast specialists. The Chinese Society of Breast Surgery of the Chinese Medical Association does not assume any responsibility for any results involving the inappropriate application of this guideline and reserves the right to interpret and revise this guideline. List of compiling committees (in alphabetical order by last name) Zhong-Wei Cao, De-Dian Chen, Xue-Ning Duan, Zhi-Min Fan, Pei-Fen Fu, Guo-Xuan Gao, Zhi-Cheng Ge, Jian Huang, Jun Jiang, Hong-Chuan Jiang, Feng Jin, Hua Kang, Rui Ling, Jin-Ping Liu, Ke Liu, Qian Liu, Yin-Hua Liu, Yun-Jiang Liu, Zhen-Zhen Liu, Yong-Hui Luo, Li Ma, Rong Ma, Da-Hua Mao, Jiang-Hua Mao, Xiang Qu, Guo-Sheng Ren, Ai-Lin Song, Er-Wei Song, Li-Li Tang, Tian-Tian Tang, Xing-Song Tian, Chuan Wang, Jian-Dong Wang, Shu Wang, Shui Wang, Xiang Wang, Ying-Xin Wang, Gui Wu, Ke-Jin Wu, Fei Wu, Ling Xin, Zhigang Yu, Jian-Guo Zhang, Jin Zhang, Jing-Hua Zhang, Yan-Hui Zhang, Xuan Zhao, Yi Zhao, Zuo-Wei Zhao, Wei Zhu, Ang Zheng, and Qiang Zou.
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