Delayed presentation of pacemaker Reel Syndrome and lead damage: Coincidence or consequence?

Reel syndrome is a pacemaker lead early dislodgment, characterized by reeling-in of the lead(s) without being damaged. We herein present a case of an 86-year-old woman, with medical history of single chamber pacemaker implantation two years ago, admitted in cardiology department with complete AV block. Chest-Xray revealed ventricular lead coiling around and behind the pacemaker device. Urgent extraction of the previous pacemaker was performed; however, the lead damage made its repositioning unfeasible. Successful implantation of single-chamber pacemaker has been made. This clinical case highlights the importance of adequate follow-up to timely identify lead dislodgement, avoid lethal complications and lead fracture.

Preventive infection control in cardiac device implantation

BACKGROUND

Cardiac implantable electronic devices have been increasingly used in recent years; as a result, there has been a rise in device-related complications. Pacemaker-associated infection is challenging to manage, including system removal, antimicrobial therapy and reimplantation at another site. The aim of this study was to evaluate adherence to the steps in an infection control protocol in cardiac device implantation.

RESULTS

A total of 100 patients referred for cardiac device implantation were enrolled in the study. They were evaluated with regard to the application of infection control measures during device implantation and followed-up for 6 months to detect clinical signs of device-related infection (DRI). A significant correlation was found between the development of postoperative DRI and the presence or absence of the following factors: increasing patient age (p = 0.010), diabetes mellitus (p = 0.024), number of operators ≥4 (p = 0.001), implantation of a biventricular system (p = 0.025), duration of sterilization (p = 0.001), wearing double gloves (p < 0.001) and postoperative hematoma (p = 0.021).

CONCLUSIONS

The study identified the following risk factors for DRI: age, diabetes mellitus and cardiac resynchronization therapy system implantation (p = 0.025). Antiseptic measures such as double-glove technique and duration of skin disinfection prior to the procedure, as well as environmental factors, also influenced device infection, as did the number of operators/staff and pocket hematoma.

Minimal invasive right ventricular and atrial pacemaker lead repositioning as a first alternative is superior in avoiding pocket complications with passive fixation leads

PURPOSE

Lead dislocations of pacemaker systems are reported in all and even in high-volume centers. Repeated procedures necessitated by lead dislocations are associated with an increased risk of complications. We investigated a minimal invasive method for right atrial and ventricular lead repositioning.

METHODS

The minimal invasive method was applied only when passive fixation leads were implanted. During the minimal invasive procedure, a steerable catheter was advanced through the femoral vein to move the distal end of the lead to the appropriate position. Retrospective data collection was conducted in all patients with minimal invasive and with conventional method, at a single center between September 2006 and December 2012.

RESULTS

Forty-five minimal invasive lead repositionings were performed, of which eight were acutely unsuccessful and nine electrodes re-dislocated after the procedure. One hundred two leads were repositioned with opening of the pocket during the same time, including the ones with unsuccessful minimal invasive repositionings. One procedure was acutely unsuccessful in this group and four re-dislocations happened. A significant difference of success rates was noted (66.6% vs. 95.1%, p = 0.001). One complication was observed during the minimal invasive lead repositionings (left ventricular lead microdislodgement). Open-pocket procedures showed different types of complications (pneumothorax, subclavian artery puncture, pericardial effusion, hematoma, fever, device-associated infection which necessitated explantation, atrial lead dislodgement while repositioning the ventricular one, deterioration of renal function).

CONCLUSIONS

The minimal invasive method as a first alternative is safe and feasible. In those cases when it cannot be carried out successfully, the conventional method is applicable.

[Exceptional pacemaker complication in Still's disease]

CASE REPORT

A 49-year-old man with Still's disease presented with a rash above his pacemaker scar. In 2012, there was a replacement of the generator in which the position was changed from subpectoral to subcutaneous. A revision operation was performed after the local finding became worse, turning from a granuloma to a macula.

THERAPY

During surgery, a superficial position of the leads was revealed. Both leads and generator were removed with great effort from the granulation tissue. The new material was again implanted into a subpectoral position. The postoperative examination of the wound showed unremarkable signs of healing.

CONCLUSION

After repositioning of the generator to a subcutaneous location, the skin was exposed to greater mechanical stress, which caused erythema and hypergranulation in a patient with Still's disease. A superficial position of a pacemaker should be avoided in patients affected by Still's disease.