Prediction of impending pacemaker failure in a pacemaker clinic

Parsonnet, Victor; Myers, George H.; Gilbert, Lawrence; Zucker, I. Richard

doi:10.1016/s0002-9149(70)80008-x

Cited by 57 publications

(8 citation statements)

References 8 publications

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“…They can be accurately and rapidly performed by a trained technician and the results are available at once. Pacemaker clinics organized along these lines are now in existence in many centres (Grendahl, 1969;Edhag, Hofvendahl, Karlof, and Morgensen, 1970;Furman, Escher, Parker, and Solomon, 1969;Irnich and Effert, 1970) and experience supports our conclusions that patient supervision in this way provides additional safety against pacemaker failure and is an aid to rapid correction of pacemaker faults should they develop (Davies and Siddons, 1969;Parsonnet, Myers, Gilbert, and Zucker, 1970). The information obtainable is still limited but the methods are applicable to all pacemakers.…”

Section: Resultssupporting

confidence: 62%

“…Our experience has been similar to that of Parsonnet et al (1970) (Emmrich and Kraft, 1968;Paeprer, Schaldach, Liebenschuitz, and Thormann, 1968) If high threshold exit block is diagnosed shortly after implantation, the patient is initially managed with oral prednisone and temporarily paced with an external synchronized pacemaker (Sowton and Barr, 1970).…”

Section: Resultssupporting

confidence: 57%

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Clinical testing of implanted pacemakers

Sowton¹,

Gray²

1971

Thorax

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The function of implanted pacemakers was assessed at a special pacemaker clinic at intervals of three to six months. Measurements of the basic discharge rate of the pacemaker were made and the waveform was recovered from skin electrodes and displayed on an oscilloscope screen. The impulse was photographed from the screen and subsequent waveform analysis was carried out. Reproducible results were obtained for measurements of peak amplitude and impulse duration provided unipolar electrodes were in use and the patients were studied in the same position.The range of variation of the measurements during the lifetime of different models of normally functioning pacemakers is given. Test measurements taken before failing pacemakers were removed have been correlated with the subsequently established cause of failure and the waveform analysis test has been shown to be clinically reliable. The value of the test depended largely upon the type of pacemaker but it correlated well with rate changes in pacemakers designed to slow as battery exhaustion developed.The clinical value of waveform analysis tests is in the diagnosis of exit block, electrode failure, and premature battery exhaustion and in determining the optimum time for pacemaker replacements. The indications for replacement of pacemakers at the National Heart Hospital are given. Initial experience with an automatic analyser with three types of pacemaker shows that rapid measurements of the waveform parameters can be achieved with accuracy.

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Section: Resultssupporting

confidence: 62%

Section: Resultssupporting

confidence: 57%

Clinical testing of implanted pacemakers

Sowton¹,

Gray²

1971

Thorax

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“…Since the introduction of similar testing procedures into the routine visits to pace maker clinics, a number of authors have commented on the value of pace maker testing [Davies and S iddons, 1969;E dhag et al, 1971;L ipp et al, 1971]. Using a similar testing procedure in his clinic, P arsonnet lias anticipated a maximum yield of 83% elective pacemaker replacement on the results of the analysis of the stimulus artefact [Parsonnet et al, 1970]. F urman has quoted a figure of less than 10% sudden and unanticipated pacemaker failure as a result of pacemaker testing [Furman et al, 1971].…”

Section: Discussionmentioning

confidence: 99%

The Pacemaker Clinic

et al. 1972

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An outline of the Royal Melbourne Hospital Pacemaker Clinic is presented. 133 patients with pacemakers have joined the clinic since it was established in 1963 and in June 1971, 99 patients were attending. All pacemaker systems are tested by analysing the stimulus artefact produced by that generator and the testing is extended for QRS triggered pacemakers to verify ventricular capture and to measure the maximum synchronous rate of the generator. The clinic has been successful in detecting impending battery failure thus avoiding unnecessary early elective generator replacement. The success of the clinic has also led to high patient morale and confidence in pacemakers.

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“…Accordingly, the guidelines of the International Atomic Energy Agency exempt plutonium containing more than 80% of plutonium-238 from safeguards requirements that have been set forth in agreements between the IAEA and member countries in connection with the Treaty on the Non-Proliferation of Nuclear Weapons. A further description of the properties of plutonium-238 is given in Appendix D. [1][2][3][4][5][6] of the plutonium during normal use, during accidents involving pacemaker patients, and during pacemaker disposal, and 3) accountability, recovery and controlled disposal of pacemakers. Safe containment of the plutonium is provided by requiring pacemakers to be designed, manufactured and tested to rigid standards and criteria.…”

Section: Nuclear Powered Pacemakersmentioning

confidence: 99%

“…The age distribution of 20 patients submitted by Medtronic, Inc., was used in this study since [4][5][6][7][8][9] their data covers the largest statistical population of patients (1989 patients), and is similar to other reported age distributions. ' ' Each patient group was subdivided into 5-year age subgroups.…”

Section: Inventory Controlmentioning

confidence: 99%

Draft generic environmental statement on the wide-scale use of plutonium powered cardiac pacemakers

Author¹

1975

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Prediction of impending pacemaker failure in a pacemaker clinic

Cited by 57 publications

References 8 publications

Clinical testing of implanted pacemakers

Clinical testing of implanted pacemakers

The Pacemaker Clinic

Draft generic environmental statement on the wide-scale use of plutonium powered cardiac pacemakers

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