研究目的
To explore the application and effectiveness of laser technology in the treatment of Benign Prostatic Hyperplasia (BPH), including various types of lasers and their mechanisms of action.
研究成果
Laser technology offers a minimally invasive alternative for BPH treatment with advantages such as reduced bleeding and shorter hospitalization. However, the choice of laser and technique depends on prostate size, patient comorbidities, and surgeon experience. Long-term studies show promising results, but further research is needed to optimize procedures and reduce costs.
研究不足
The paper notes the high cost of laser equipment and materials as a limitation. It also mentions the need for prolonged postoperative bladder catheterization in some procedures and the higher reintervention rates compared to traditional methods like TURP.
1：Experimental Design and Method Selection:
The paper reviews the historical development and application of laser technology in urology, focusing on its use for BPH treatment. It discusses various laser types and their interactions with prostatic tissue.
2：Sample Selection and Data Sources:
The study is based on clinical experiences and published studies on laser treatment for BPH, including patient outcomes and procedural details.
3：List of Experimental Equipment and Materials:
Various lasers (Nd:YAG, Ho:YAG, KTP, Diode, Thulium, Er:YAG) and optical fibers are mentioned, along with their specifications and uses in urological procedures.
4：Experimental Procedures and Operational Workflow:
Detailed descriptions of laser procedures for BPH treatment, including VLAP, HoLAP, PVP, and DVP, are provided, outlining steps from preliminary cystoscopy to final postoperative care.
5：Data Analysis Methods:
The paper analyzes clinical outcomes, including improvements in urinary flow rates, symptom scores, and complication rates, based on long-term follow-up studies.
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Nd:YAG laser
Used for coagulation and vaporization of prostatic tissue in BPH treatment.
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Ho:YAG laser
Used for precise incisions and vaporization with minimal thermal damage.
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KTP laser
GreenLight HPS system
American Medical Systems
Used for photoselective vaporization of the prostate with high absorption by hemoglobin.
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Diode laser
Indigo? Laser Treatment System
Used for interstitial laser coagulation and prostate vaporization.
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Thulium laser
Used for prostate enucleation with high efficiency and reduced thermal damage.
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Er:YAG laser
Used for precise incisions and lithotripsy with minimal secondary thermal effects.
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Optical fibers
Transmit laser energy to the target tissue with specific geometries for different procedures.
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Cystoscope
Olympus
Used for visual control during laser procedures, with continuous irrigation.
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