累及掌指关节大段骨关节破坏的痛风结节1例

2020-05-26 杨克强 赵盛坤 殷超群 中国矫形外科杂志

痛风是尿酸盐沉积所致的一种炎症性疾病,与嘌呤代谢紊乱、尿酸排泄减少所致的高尿酸血症有关。在没有形成尿酸盐结节时,不需外科治疗,但对于已有较大痛风结节形成或累及骨与关节的患者,除了必要的内科治疗外,外科

痛风是尿酸盐沉积所致的一种炎症性疾病,与嘌呤代谢紊乱、尿酸排泄减少所致的高尿酸血症有关。在没有形成尿酸盐结节时,不需外科治疗,但对于已有较大痛风结节形成或累及骨与关节的患者,除了必要的内科治疗外,外科手术应该及时跟上,以防止骨与关节进一步破坏导致肢体功能严重受损。本院治疗1例位于左手食指掌指关节、且掌指关节严重破坏、掌骨远端及指骨近端有较多缺损的患者,采用病灶刮除、取髂骨块节段性植骨保留了手指长度,近期效果满意。

临床资料

患者,男性,38岁,左手食指掌指关节处间断红、肿、疼痛、肿物逐渐生长达9年。9年前无明确诱因出现左手食指掌指关节红、肿、疼痛,并发现约高粱米粒大小结节,在当地医院就诊,查血尿酸600μmol/L。诊断为“痛风”,予秋水仙碱、布洛芬等治疗(具体剂量及疗程不详),症状缓解。结节逐渐长大,红、肿、疼痛偶发,对症治疗好转。随结节逐渐长大,左食指掌指关节活动度逐渐丧失,到住院前已完全不能活动。结节约板栗大小,患者要求住院切除结节。入院查体:左食指掌指关节背侧可见约2CM×2CM大小、质硬、轻压痛、不活动之肿物,掌指关节略屈曲位畸形,掌指关节各方向活动均消失,指间关节伸屈活动尚可,末梢皮肤感觉、血运正常。X线片示左手第二掌指关节骨质严重破坏,累及掌骨远端及近节指骨近端,受累之处骨质几乎完全缺损。血常规:白细胞7.97×109/L,中性52.6%,单核、嗜碱性粒细胞、嗜酸性粒细胞、淋巴细胞、血红蛋白正常,C-反应蛋白18mg/L(正常10mg/L),血尿酸655.8μmol/L。诊断:左食指掌指关节痛风结节、左食指掌指关节破坏。



治疗方法及结果

入院后积极术前准备。采用臂丛麻醉于左食指掌指关节背侧行纵“S”形切口,逐层切开,保护食指伸肌腱,并牵开,见左食指掌指关节被约2CM大小白色肿物替代,切开后可见其内容为白色“渣”样物质,先整块切除大部结节,然后用刮匙尽量刮除与软组织粘连紧密的尿酸盐结晶,处理掌骨远端及指骨近端,完全刮除骨组织表面的尿酸盐结晶,使骨髓腔通畅。牵拉食指远端,使其恢复正常长度,见掌指关节处骨缺损约3.0CM长。遂在同侧髂骨取带外板及髂骨嵴长约3.0CM、宽约1.2CM、厚约1.0CM的髂骨条,修整后植于原掌指关节处填充掌骨与指骨间的骨缺损,并利用髂骨固有弧度,使其顶端朝向背侧,使原掌指关节处略弯曲,接近掌指关节功能位。用克氏针将植骨块分别与掌骨、指骨固定,放引流条,术后48h拔引流管,伤口2周拆线,愈合好。

讨论

痛风是由于单钠尿酸盐在关节及滑膜组织过度沉积导致的炎性病变,治疗方法很多。王雯雯等认为对痛风患者应该采取如下措施:(1)患者教育:目的是使患者对疾病有所了解,积极配合治疗;(2)注意饮食和生活方式:包括限制食用富含嘌呤的食物,限酒,减少果糖饮料,大量饮水,多食蔬菜等;(3)急性发作期尽早药物治疗;(4)合理使用降尿酸药;(5)预防痛风急性发作。也有学者认为,临床上以药物治疗为主,包括急性发作期、慢性降尿酸期及预防药物治疗。中医中药在治疗痛风方面也有不俗表现。隋磊等认为,单纯药物治疗不能控制痛风结节发展,不能改善关节外形和功能,他们用非布司他治疗同时手术切除痛风结节,取得了较好的治疗效果。李巍报告采用病灶刮除VSD覆盖治疗手指关节痛风结节合并感染的患者,效果满意。

本例患者关节破坏严重,骨破坏范围广,骨组织缺损节段长,单纯病灶刮除会导致骨缺损多,术后手指短缩明显(约3CM),严重影响美观,同时功能丧失也很严重(因病指为食指,在手功能中起重要作用)。为恢复手指长度,尽最大可能挽救手指功能,采用取带完整外板及髂嵴的髂骨条用于植骨,即恢复了手指长度又有一定强度,同时还利用髂骨自然弧度,使手术后的手指掌指关节处接近功能位。在克氏针固定骨块、关闭伤口后,手指外形非常接近正常,被动活动两指间关节,活动度满意。

本病例术后时间较短,后期骨愈合情况及功能恢复情况有待进一步随访观察。近期看外形满意,原有关节功能无损失,患者及医师对术后结果均比较满意,为以后处理类似病例提供了有益的借鉴。

原始出处:

杨克强,赵盛坤,殷超群,谷孝将,崔传鹏,牛晓慧,郝春蕾,郭爱玲.累及掌指关节大段骨关节破坏的痛风结节1例报告[J].中国矫形外科杂志,2020,28(07):671-672.

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    2021-05-02 点点嗨

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    2020-08-13 lisa438